BTB Collet ER16 (DIN6499) Class-1
Available sizes: 1mm - 10mm
High-performance ER16 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:
All sizes mentioned are in MM.
Features:
High Performance: Designed for demanding machining applications, these collets deliver exceptional performance with minimal runout, ensuring superior accuracy and surface finish.
Made from High-Quality Steels: Crafted from premium-grade steels, these collets offer exceptional strength, durability, and resistance to wear and tear, ensuring long service life and consistent performance.
Runout Within 12 Microns: Featuring a runout of less than 12 microns, these collets provide exceptional accuracy and repeatability, minimizing vibration and improving the quality of your machined parts.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
Class-1 Accuracy: Offers the highest level of accuracy for demanding applications that require the utmost precision.
Benefits:
Improved accuracy
Enhanced surface finish
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for a wide range of CNC machining applications, including milling, engraving, and drilling.
1. What are ER16 Collets used for?ER16 Collets are used to hold tools such as drills, end mills, and reamers in CNC machines. They offer excellent precision and gripping force.
2. What is the clamping range of ER16 Collets?ER16 Collets typically clamp tool shanks ranging from 1mm to 10mm, making them suitable for a wide range of precision tools.
3. Are these ER16 Collets compatible with all CNC machines?Yes, our ER16 Collets are compatible with standard ER16 collet chucks and holders used in most CNC milling and drilling machines.
4. Why choose Block to Box ER16 Collets?Block to Box provides precision-machined ER16 Collets made from durable materials, tested for high performance and accuracy at competitive prices.
5. Do you provide individual collets or complete ER16 sets?We offer both individual ER16 Collets and complete sets, so you can choose based on your workshop requirements.
BTB Collet ER32 (DIN6499) Class-1
Available Sizes: 2mm - 20mmHigh-performance ER32 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:
All sizes mentioned are in MM.
Features:
High Performance: Designed for demanding machining applications, these collets deliver exceptional performance with minimal runout, ensuring superior accuracy and surface finish.
Made from High-Quality Steels: Crafted from premium-grade steels, these collets offer exceptional strength, durability, and resistance to wear and tear, ensuring long service life and consistent performance.
Runout Within 12 Microns: Featuring a runout of less than 12 microns, these collets provide exceptional accuracy and repeatability, minimizing vibration and improving the quality of your machined parts.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
Class-1 Accuracy: Offers the highest level of accuracy for demanding applications that require the utmost precision.
Benefits:
Improved accuracy
Enhanced surface finish
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for a wide range of CNC machining applications, including milling, engraving, and drilling.
1. What does the ER32 Collet Set 1–20mm include?This set includes 20 individual ER32 collets, each covering sizes from 1mm to 20mm for comprehensive tool compatibility.
2. Can I use this collet set for all CNC machines?Yes. These collets are compatible with any ER32 collet chuck or tool holder, including BT, CAT, HSK, MT, ISO, and R8 spindles.
3. What material are these collets made from?Block to Box ER32 Collets are made from EN-47 spring steel, fully hardened and precision-ground for long life and high accuracy.
4. Is this set suitable for high-speed operations?Absolutely. These collets are designed for high-speed and precision CNC operations, with excellent grip and minimal runout.
5. How should I store the ER32 Collet Set?Each kit comes with a protective box (plastic or wooden) to safely organize and protect your collets when not in use.
6. Do you provide GST invoice and bulk order options?Yes, we offer GST billing and support bulk orders with special pricing. Reach out for dealer or workshop inquiries.
BTB Collet ER25 (DIN6499) Class-1
Available Sizes: 1mm - 16mmHigh-performance ER25 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:
 All sizes mentioned are in MM.
Features:
High Performance: Designed for demanding machining applications, these collets deliver exceptional performance with minimal runout, ensuring superior accuracy and surface finish.
Made from High-Quality Steels: Crafted from premium-grade steels, these collets offer exceptional strength, durability, and resistance to wear and tear, ensuring long service life and consistent performance.
Runout Within 12 Microns: Featuring a runout of less than 12 microns, these collets provide exceptional accuracy and repeatability, minimizing vibration and improving the quality of your machined parts.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
Class-1 Accuracy: Offers the highest level of accuracy for demanding applications that require the utmost precision.
Benefits:
Improved accuracy
Enhanced surface finish
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for a wide range of CNC machining applications, including milling, engraving, and drilling.
1. What is an ER25 Collet used for?ER25 Collets are used in CNC machines for securely holding cutting tools like drills, taps, and end mills. They ensure accuracy and vibration-free operation during high-speed machining.
2. What is the clamping capacity of an ER25 Collet?ER25 Collets typically hold tools from 1mm up to 16mm, depending on the specific collet size. Each collet has a collapse range of approximately 0.9mm.
3. Are Block to Box ER25 Collets compatible with all CNC holders?Yes, our ER25 Collets are compatible with all standard collet chucks, tap holders, and ER25-compatible tool systems, including BT, CAT, ISO, HSK, and straight shank holders.
4. How do I correctly install an ER25 Collet?Insert the collet into the nut first, then place the tool inside. Snap the collet into the nut before tightening. Never tighten the nut without a tool present inside the collet.
5. Can I use ER25 Collets for tapping and reaming?Absolutely. ER25 Collets are ideal for a wide range of applications including tapping, reaming, boring, and precision milling.
6. Do you offer ER25 Collet sets or only individual sizes?Block to Box offers both individual ER25 Collets and complete collet sets, so you can purchase exactly what you need.
7. Is shipping free across India for ER25 Collets?Yes, we provide fast and free shipping for all ER25 Collet orders across India via Block to Box.
BTB Collet ER20 (DIN6499) Class-1
Available Sizes: 1mm - 13mm
High-performance ER20 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:
All sizes mentioned are in MM.
Features:
High Performance: Designed for demanding machining applications, these collets deliver exceptional performance with minimal runout, ensuring superior accuracy and surface finish.
Made from High-Quality Steels: Crafted from premium-grade steels, these collets offer exceptional strength, durability, and resistance to wear and tear, ensuring long service life and consistent performance.
Runout Within 12 Microns: Featuring a runout of less than 12 microns, these collets provide exceptional accuracy and repeatability, minimizing vibration and improving the quality of your machined parts.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
Class-1 Accuracy: Offers the highest level of accuracy for demanding applications that require the utmost precision.
Benefits:
Improved accuracy
Enhanced surface finish
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for a wide range of CNC machining applications, including milling, engraving, and drilling.
1. What is an ER20 Collet used for?ER20 Collets are used in CNC machines to hold round-shank tools like drills, end mills, and taps. They ensure precise alignment, strong gripping force, and vibration resistance during machining operations.
2. What is the clamping range of an ER20 Collet?Each ER20 Collet has a collapse range of approximately 0.9 mm. For example, a 10mm ER20 Collet can clamp tool shanks from 10mm down to 9.1mm.
3. Are ER20 Collets compatible with all CNC machines?Yes, ER20 Collets are compatible with any tool holder that accepts ER20 sizesâ€â€Âsuch as BT, CAT, ISO, HSK, R8, MT, and straight shank holders.
4. What material are Block to Box ER20 Collets made from?Our ER20 Collets are made from EN-47 high-grade alloy spring steel, which is fully hardened for durability, spring action, and long service life.
5. Can I use ER20 Collets for high-speed operations?Absolutely. ER20 Collets are engineered for high-precision and high-speed CNC applications including milling, reaming, and tapping.
6. How do I install an ER20 Collet correctly?Always insert the collet into the nut first, then place the tool inside. Tighten the chuck only when a correctly sized tool shank is present in the collet.
7. Does Block to Box sell both individual ER20 Collets and full sets?Yes, we offer both individual ER20 Collets and complete sets so you can choose based on your specific requirements.
8. Is free delivery available for ER20 Collets?Yes, we provide free shipping across India for orders above Rs. 1,000 on all ER20 Collets purchased online at Block to Box.
BTB Cylindrical Collet Chucks
High-precision cylindrical collet chucks for superior accuracy and reliable tool clamping in your CNC machines.
Precision Engineering: BTB Cylindrical Collet Chucks are meticulously engineered to deliver exceptional accuracy and repeatability, minimizing runout and ensuring superior machining performance.
High-Quality Materials: Crafted from premium-grade materials, these chucks offer exceptional strength, rigidity, and durability, ensuring long-lasting performance and reliable operation in demanding machining environments.
Versatile Applications: Suitable for a wide range of applications, including milling, turning, and grinding operations, these chucks provide a versatile and reliable solution for your tool clamping needs.
Dimensions:
Benefits:
Improved accuracy
Enhanced surface finish
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for use in various CNC machines, including milling machines, lathes, and grinding machines.
About BTB:
BTB: Where precision meets innovation. We specialize in high-quality precision tools and accessories designed for professionals and enthusiasts alike. Our commitment to excellence ensures that every product delivers unmatched accuracy, durability, and performance, empowering you to achieve the best results in your projects.
We understand that the right tools make all the difference. That’s why we offer a carefully curated selection of cutting-edge tools tailored for various applications, from metalworking to DIY and industrial use. Our team of experts is dedicated to continuous improvement and innovation, ensuring that you have access to the latest advancements in precision technology!
BTB ER Spanners: Essential for Secure Tooling
Reliable and durable BTB ER Spanners designed for secure clamping and quick tool changes.
Textured Grip for Enhanced Control: These spanners feature a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER collets. This reduces the risk of slippage and provides greater control during tool changes.
Constructed from High-Quality Alloy Steel: Crafted from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear. This ensures long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
Benefits and Applications:
Ideal for use with a wide range of ER collets and tooling systems.
Benefits include: Improved accuracy, Enhanced safety, Increased productivity, Reduced downtime.
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1. What is an ER40 spanner used for?An ER40 spanner is used to tighten and loosen ER40 collet nuts, which hold cutting tools securely in CNC machine spindles. It ensures proper torque application without damaging the nut or tool holder.
2. Are all ER40 spanners compatible with ER40 nuts?Most ER40 spanners are compatible with standard ER40 collet nuts. However, if you are using a mini or special nut (like ER40M), check the compatibility, as some spanners are designed for specific nut profiles.
3. What materials are ER40 spanners made from?ER40 spanners are usually manufactured from high-quality hardened steel or alloy steel. These materials provide excellent strength and durability, making the spanner suitable for frequent industrial use.
4. How do I use an ER40 spanner safely on a collet nut?Turn off the machine, hold the tool holder steady, and use the ER40 spanner to tighten or loosen the collet nut. Apply firm, even pressureâ€â€Âavoid over-tightening to prevent damage to the nut or collet.
5. Can I use a single ER40 spanner for different ER series nuts?No, ER spanners are size-specific. An ER40 spanner is designed exclusively for ER40 collet nuts. Using it on ER32, ER25, or smaller/larger sizes may result in improper grip and tool damage.
BTB ER Spanners: Essential for Secure Tooling
Reliable and durable BTB ER Spanners designed for secure clamping and quick tool changes.
Textured Grip for Enhanced Control: These spanners feature a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER collets. This reduces the risk of slippage and provides greater control during tool changes.
Constructed from High-Quality Alloy Steel: Crafted from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear. This ensures long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
Benefits and Applications:
Ideal for use with a wide range of ER collets and tooling systems.
Benefits include: Improved accuracy, Enhanced safety, Increased productivity, Reduced downtime.
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What is an ER32 spanner used for?An ER32 spanner is specifically designed to tighten or loosen ER32 collet nuts, commonly used in CNC machines for securing cutting tools in the spindle. It ensures a firm grip without damaging the nut or tool.
How do I choose the right ER32 spanner for my collet nut?Make sure to match the spanner type with your ER32 collet nut designâ€â€Âwhether it's standard or mini. Check the nut size and the spanner's jaw design for proper compatibility to avoid slipping or wear.
Is the ER32 spanner compatible with all ER32 collet nuts?Most ER32 spanners are designed for standard ER32 nuts. However, some nuts may have different flange shapes or compact designs (like ER32M mini nuts), so it's essential to verify compatibility before purchasing.
What material is the ER32 spanner made of, and is it durable for industrial use?ER32 spanners are typically made from high-grade alloy steel or hardened carbon steel. They are built for durability and long-term use in industrial environments, providing resistance to wear and corrosion.
How do I safely tighten and loosen an ER32 nut using the spanner?To tighten, hold the collet nut in position and turn the spanner clockwise until snugâ€â€Âavoid over-tightening. To loosen, turn the spanner counter-clockwise. Always power off the machine and use protective gloves for safety.
BTB ER32 Slotted Nuts for Collet Chucks (DIN6499)
Short Description: High-performance ER32 Slotted Nuts for superior accuracy and reliable tool clamping in your CNC machines, optimized for ultra-high-speed applications.
Detailed Description:
Enhanced Clamping Force: Coated Nuts provide 100% more clamping pressure compared to standard bearing nuts, ensuring superior tool holding power and stability, even at ultra-high speeds and under the most demanding conditions.
Ultra-High-Speed Performance: Specifically designed for use when speeds exceed 15,000 RPM, these slotted nuts maintain secure and reliable tool clamping, minimizing the risk of tool slippage or breakage during ultra-high-speed machining operations.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring compatibility and interchangeability with other DIN 6499 compliant components.
Made from High-Quality Steel: Crafted from premium-grade steels, these nuts offer exceptional strength, durability, and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Recommended Torque: For optimal performance and to prevent over-tightening, use 80-90% of the maximum recommended torque.
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for ultra-high-speed machining applications, including milling, engraving, and drilling, where maintaining secure tool clamping at extremely high speeds is critical.
1: What is the clamping capacity of the ER32 slotted nut?The ER32 slotted nut can clamp tools with shank diameters from 2mm to 20mm, depending on the collet used.
2: Can I use the BTB ER32 nut on any ER32 tool holder?Yes, it is compatible with all ER32 holders that conform to DIN6499 specifications.
3: What materials are used to manufacture this slotted nut?It is made from heat-treated alloy steel with high hardness and resistance to deformation under load.
4: Is this nut heat-treated or surface coated?Yes, it undergoes heat treatment and often features a black oxide coating for corrosion resistance.
5: How does this nut improve tool life in CNC machining?The precise fit and balanced clamping reduce tool runout and vibration, leading to longer tool life and improved machining accuracy.
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BTB ER16 Hex Nuts for Collet Chucks (DIN6499)
High-quality ER16 hex nuts for secure and reliable clamping of tools in your collet chucks.
Designed for ER16 Collets: Specifically designed for use with ER16 collets, these hex nuts ensure a secure and reliable clamping force, minimizing the risk of tool slippage or breakage.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring compatibility and interchangeability with other DIN 6499 compliant components.
Made from High-Quality Steel: Crafted from durable steel for exceptional strength and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Applications:
Ideal for use in various CNC machining applications, including milling, engraving, and drilling.
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Key Features:
Size: ER16
Type: Hex Nut (external hex design for wrench use)
Material: Hardened Alloy Steel
Finish: Black oxide coating for rust protection
Standard: DIN 6499 Compliant
Application: CNC collet chucks for milling, drilling, tapping
Tool Compatibility: Fits ER16 Collet Chucks (BT, CAT, HSK, ISO, R8)
Why Choose Block to Box ER16 Hex Nuts?
Precision-engineered threads for smooth fit
Robust build for high-torque applications
Hex grip offers easy tightening with spanner/wrench
Compatible with a wide range of CNC tool holders
Quick shipping and bulk supply options available
1. What is an ER16 Hex Nut used for?
An ER16 Hex Nut is used to securely clamp an ER16 collet in a CNC collet chuck. It applies uniform pressure to hold tools like end mills, drills, and taps during machining.
2. How is a hex nut different from a slotted nut?
A hex nut has an external hexagonal shape for tightening with a standard spanner or wrench, while a slotted nut uses internal grooves for a specialized spanner. Hex nuts are often preferred for quicker manual operation and torque application.
3. Is this hex nut compatible with all ER16 collet chucks?
Yes, the Block to Box ER16 Hex Nut is compatible with all ER16 standard collet chucks, including BT, CAT, ISO, and straight shank types.
4. What material is used for Block to Box ER16 hex nuts?
Our ER16 hex nuts are made from hardened alloy steel, surface-treated with a black oxide coating for wear and corrosion resistance.
5. Can I use this with automatic tool changers (ATC)?
Yes. These hex nuts are suitable for both manual and automatic tool changers, provided they match the machine’s collet chuck system.
6. Do you provide ER16 hex nuts in sets or with collet kits?
Yes. We offer individual units, bulk packs, and combo kits with ER16 collets and collet chucks. Contact
BTB ER Spanners: Essential for Secure Tooling
Reliable and durable BTB ER Spanners designed for secure clamping and quick tool changes.
Textured Grip for Enhanced Control: These spanners feature a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER collets. This reduces the risk of slippage and provides greater control during tool changes.
Constructed from High-Quality Alloy Steel: Crafted from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear. This ensures long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
Benefits and Applications:
Ideal for use with a wide range of ER collets and tooling systems.
Benefits include: Improved accuracy, Enhanced safety, Increased productivity, Reduced downtime.
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Is it compatible with all ER25 chucks?Yes, compliant with DIN6499 standard.
Can it be used with torque wrenches?Yes, it fits standard torque systems.
What industries commonly use this?Automotive, aerospace, and precision engineering.
Is it suitable for daily industrial use?Yes, it’s designed for repeated use.
Does it have an anti-slip handle?Yes, for safer tool handling.
BTB Collet ER40 (DIN6499) Class-1
Available Sizes: 4mm - 26mm
High-performance ER40 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:
All sizes mentioned are in MM.
Features:
High Performance: Designed for demanding machining applications, these collets deliver exceptional performance with minimal runout, ensuring superior accuracy and surface finish.
Made from High-Quality Steels: Crafted from premium-grade steels, these collets offer exceptional strength, durability, and resistance to wear and tear, ensuring long service life and consistent performance.
Runout Within 12 Microns: Featuring a runout of less than 12 microns, these collets provide exceptional accuracy and repeatability, minimising vibration and improving the quality of your machined parts.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
Class-1 Accuracy: Offers the highest level of accuracy for demanding applications that require the utmost precision.
Benefits:
Improved accuracy
Enhanced surface finish
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for a wide range of CNC machining applications, including milling, engraving, and drilling.
1. What is an ER40 collet?
An ER40 collet is a precision tool-holding device used in CNC machines, designed to securely grip round-shank tools like drills, reamers, and end mills. It belongs to the ER (Extended Range) collet system, known for its wide clamping range and high concentricity. ER40 collets are larger in size and are ideal for holding tools with larger diameters, typically ranging from 3mm up to 26mm.
2. What is the max size ER40?
The maximum clamping size of an ER40 collet is 26mm, depending on the specific collet in the set. Each collet also has a collapse range of approximately 0.9mm, meaning a 26mm ER40 collet can clamp tools from 26mm to about 25.1mm securely.
3. What does ER20 collet mean?
An ER20 collet is a medium-sized collet in the ER series, used to hold cutting tools with diameters ranging from 1mm to 13mm. The "ER" stands for Extended Range, indicating its flexibility in clamping different tool sizes. ER20 collets are commonly used in CNC milling, tapping, and drilling applications, offering precision, vibration control, and compatibility with a wide variety of tool holders.
4. How accurate are Block to Box ER40 Collets?Our ER40 Collets offer a runout accuracy of ≤ 10 microns, ensuring smooth performance during high-speed machining operations
5. Are both individual ER40 collets and sets available?Yes. You can buy individual ER40 Collets or choose from complete sets based on your machining requirements.
6. Is shipping free for ER40 Collet orders?Absolutely. We offer free and fast delivery across India on all ER40 Collets purchased from Block to Box.
BTB Collet ER11 (DIN6499) Class-1
Sizes available: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm
High-precision ER11 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:
All sizes mentioned are in MM.Features:
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
Class-1 Accuracy: Offers the highest level of accuracy for demanding applications that require the utmost precision.
Made from High-Quality Steel: Crafted from premium-grade steel for exceptional strength, durability, and resistance to wear and tear.
Minimal Runout: Provides exceptional concentricity and runout performance, minimising vibration and improving the quality of your machined parts.
Benefits:
Improved accuracy
Accurate surface finish
Increased productivity
Reduced downtime
Long-lasting performance
Applications:
Ideal for a wide range of CNC machining applications, including milling, engraving, and drilling.
1. What is an ER11 Collet used for?ER11 Collets are primarily used for holding small-diameter tools in CNC machines. They provide accurate tool positioning and are ideal for high-speed precision work.
2. What is the bore size range of ER11 Collets?ER11 Collets typically cover bore sizes from 1mm to 7mm, suitable for fine tool holding in compact CNC setups.
3. Are ER11 Collets reliable for CNC machining?Yes, ER11 Collets are known for high concentricity, hardness, and durability, making them highly reliable for CNC and VMC operations.
4. Does Block to Box offer free shipping on ER11 Collets?Yes, we offer free and fast shipping on all ER11 Collets across India, ensuring a hassle-free buying experience.
5. Can I buy individual ER11 Collets or only sets?At Block to Box, you can purchase both individual ER11 Collets and complete collet sets based on your needs.
BTB Pull Studs/ BT40 90 DEG TC WITH O RING
The BT40 Pull Stud 90° Through Coolant (TC) with O-Ring is engineered for high-precision CNC machining where both coolant delivery and a leak-proof seal are critical. Designed with a 90-degree flange and built-in O-ring, this pull stud ensures a tight coolant seal and efficient performance during high-speed operations. Constructed from hardened alloy steel and finished for anti-corrosion protection, it delivers durability, performance, and secure fitment for all BT40-compatible tool holders.
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Increased Performance: Engineered for optimal performance in demanding machining applications, these pull studs provide secure tool clamping and minimize vibration, leading to improved accuracy and surface finish.
Enhanced Safety: Designed with safety in mind, these pull studs ensure reliable and secure tool holding, minimizing the risk of tool breakage and potential accidents.
High-Grade Steel with Proper Heat Treatment: Crafted from high-grade steel with proper heat treatment, these pull studs offer exceptional strength, rigidity, and durability, ensuring long-lasting performance and resistance to wear and tear in demanding machining environments.
90-Degree Taper: The 90-degree taper design provides a strong and secure connection between the tool holder and the spindle, ensuring optimal clamping force and minimizing tool deflection.
Through-Coolant Capability: Incorporates through-coolant channels for efficient cooling and chip evacuation, improving tool life and enhancing machining performance.
O-Ring Seal: Integrated O-ring provides improved coolant sealing, preventing leakage and ensuring effective cooling of the cutting tool.
Benefits:
Through Coolant FlowDesigned for internal coolant delivery through the spindle directly to the cutting tool.
Leak-Proof Seal with O-RingThe integrated O-ring prevents coolant leakage, protecting your machine spindle and improving operational safety.
High-Grade ConstructionMade from hardened alloy steel for exceptional durability under repeated use and high-stress conditions.
Precision Fit for BT40Accurately machined to fit standard BT40 tool holders for secure and consistent clamping.
Improved Tool & Spindle LifeEffective coolant flow reduces heat and wear, increasing tool and spindle longevity.
Applications:
Ideal for a wide range of machining applications, including milling, drilling, and boring, on various CNC machines.
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1. What is the purpose of the O-ring in this pull stud?
The O-ring provides a secure, leak-proof seal that prevents coolant from leaking during through-coolant machining processes.
2. How is a 90-degree pull stud different from a 45-degree one?
A 90-degree pull stud has a wider flange angle which may be preferred in certain machines or setups for enhanced clamping force or safety. Always check your machine’s requirements.
3. Is this pull stud suitable for high-speed CNC machining?
Yes, it is designed for high-speed operations with through-coolant systems and offers stable clamping under heavy spindle loads.
4. Will this pull stud work with all BT40 tool holders?
Yes, this pull stud is compatible with all standard BT40 holders. Just ensure your spindle system supports through-coolant functionality and O-ring sealing.
5. How often should the O-ring be replaced?
Inspect the O-ring regularly for wear or cracking. Replace it when signs of deterioration appear to maintain proper coolant sealing.
BTB ER40 Slotted Nuts for Collet Chucks (DIN6499)
High-performance ER40 Slotted Nuts for superior accuracy and reliable tool clamping in your CNC machines, optimized for high-speed applications.
Enhanced Clamping Force: Coated Nuts provide 100% more clamping pressure compared to standard bearing nuts, ensuring superior tool holding power and stability, even at high speeds and under demanding conditions.
High-Speed Performance: Specifically designed for use when speeds exceed 15,000 RPM, these slotted nuts maintain secure and reliable tool clamping, minimizing the risk of tool slippage or breakage during high-speed machining operations.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring compatibility and interchangeability with other DIN 6499 compliant components.
Made from High-Quality Steel: Crafted from premium-grade steels, these nuts offer exceptional strength, durability, and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Recommended Torque: For optimal performance and to prevent over-tightening, use 80-90% of the maximum recommended torque.
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for high-speed machining applications, including milling, engraving, and drilling, where maintaining secure tool clamping at elevated speeds is critical.
1: What type of CNC tools is the ER40 slotted nut compatible with?It is compatible with ER40 collets used in various tool holding systems for CNC milling, drilling, and turning operations.
2: Is this ER40 nut suitable for heavy-duty operations?Yes, it is designed to provide strong clamping for larger tools and is ideal for high-load and heavy-duty CNC applications.
3: Does the nut require a specific ER40 spanner?Yes, you will need an ER40 spanner or torque wrench designed for slotted nuts to ensure correct tightening.
4: How does the slotted nut reduce vibration in CNC machines?The balanced slotted design distributes pressure evenly, minimizing vibration and enhancing tool performance.
5: Is the BTB ER40 slotted nut coated for corrosion resistance?Yes, it typically features a black oxide coating that resists rust and increases the lifespan of the nut.
BTB ER25 Slotted Nuts for Collet Chucks (DIN6499)
High-performance ER25 Slotted Nuts for superior accuracy and reliable tool clamping in your CNC machines, optimized for high-speed applications.
Enhanced Clamping Force: Coated Nuts provide 100% more clamping pressure compared to standard bearing nuts, ensuring superior tool holding power and stability, even at high speeds and under demanding conditions.
High-Speed Performance: Specifically designed for use when speeds exceed 15,000 RPM, these slotted nuts maintain secure and reliable tool clamping, minimizing the risk of tool slippage or breakage during high-speed machining operations.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring compatibility and interchangeability with other DIN 6499 compliant components.
Made from High-Quality Steel: Crafted from premium-grade steels, these nuts offer exceptional strength, durability, and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Recommended Torque: For optimal performance and to prevent over-tightening, use 80-90% of the maximum recommended torque.
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for high-speed machining applications, including milling, engraving, and drilling, where maintaining secure tool clamping at elevated speeds is critical.
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1: What are the advantages of slotted nuts over hex nuts?Slotted nuts provide better balance and reduced vibration, especially during high-speed operations. They also allow for more uniform clamping pressure.
2: Is the BTB ER25 slotted nut suitable for high-torque operations?Yes, it is designed to handle high-torque and high-precision machining tasks in ER25 collet chucks.
3: How do I install the ER25 slotted nut on a collet chuck?Align the ER25 collet inside the nut first, insert into the chuck, and tighten with an ER25 spanner to ensure a secure fit.
4: Is this nut compatible with ER25 collets from other brands?Yes, as long as they adhere to DIN6499 standards, the BTB ER25 slotted nut is compatible.
5: What is the DIN6499 standard mentioned in the product?DIN6499 is an international standard for collet and nut compatibility, ensuring uniform size and precision across tooling systems.
BTB ER20 Hex Nuts for Collet Chucks (DIN6499)
High-performance ER20 Hex Nuts for superior accuracy and reliable tool clamping in your CNC machines, optimized for ultra-high-speed applications.
Enhanced Clamping Force: Coated Nuts provide 100% more clamping pressure compared to standard bearing nuts, ensuring superior tool holding power and stability, even at ultra-high speeds and under the most demanding conditions.
Ultra-High-Speed Performance: Specifically designed for use when speeds exceed 15,000 RPM, these hex nuts maintain secure and reliable tool clamping, minimizing the risk of tool slippage or breakage during ultra-high-speed machining operations.
Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring compatibility and interchangeability with other DIN 6499 compliant components.
Made from High-Quality Steel: Crafted from premium-grade steels, these nuts offer exceptional strength, durability, and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Recommended Torque: For optimal performance and to prevent over-tightening, use 80-90% of the maximum recommended torque.
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for ultra-high-speed machining applications, including milling, engraving, and drilling, where maintaining secure tool clamping at extremely high speeds is critical.
What is an ER20 hex nut used for in CNC machines?An ER20 hex nut is used to securely clamp ER20 collets into collet chucks in CNC machines. It ensures tool stability and precise alignment during machining operations.
Does this ER20 hex nut comply with DIN6499 standards?Yes, the BTB ER20 hex nut is manufactured as per DIN6499, ensuring compatibility and precision fit with standardized ER20 collet chucks.
Is the BTB ER20 hex nut compatible with all ER20 collet chucks?Yes, it is compatible with all ER20 collet chucks that follow the DIN6499 standard.
Can I use this hex nut for high-speed machining?Yes, the BTB ER20 hex nut is heat-treated and precisely balanced, making it ideal for high-speed machining environments.
What materials are used in manufacturing BTB ER20 hex nuts?It is made from high-grade alloy steel, providing durability, corrosion resistance, and long service life.
Durable Guard Gloves designed for maximum hand protection in industrial and mechanical work. Strong grip, high durability, and all-day comfort.
Specification
Brand    -     BTB
Color    -     Mustard Orange/White
Material  -     Leather
Description
Premium Trend Gloves offering comfort, flexibility, and reliable grip for daily industrial and workshop use. Built for performance and durability.
Specification
Brand    -     BTB
Color     -     Mustard Orange
Material  -     Leather
High-performance ER40 Tap Collets designed for precise and efficient tapping operations in your CNC machines.
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Dimensions:
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All sizes mentioned are in MM.
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Features:
High-performance Collets in DIN/ISO Standard: Manufactured to stringent DIN/ISO standards, these tap collets ensure precise and repeatable clamping force, minimizing runout and improving tapping accuracy.
Made from High-quality Steel: Crafted from premium-grade steels, these collets offer exceptional strength, durability, and resistance to wear and tear, ensuring long service life and consistent performance.
Designed for Precision Tapping: Specifically designed for tapping applications, these collets provide secure and reliable clamping of taps, minimizing the risk of slippage or breakage during the tapping process.
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Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
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Applications:
Ideal for various tapping operations on CNC machines, ensuring precise and efficient thread creation.
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About BTB:
BTB: Where precision meets innovation. We specialize in high-quality precision tools and accessories designed for professionals and enthusiasts alike. Our commitment to excellence ensures that every product delivers unmatched accuracy, durability, and performance, empowering you to achieve the best results in your projects.
We understand that the right tools make all the difference. That��������s why we offer a carefully curated selection of cutting-edge tools tailored for various applications, from metalworking to DIY and industrial use. Our team of experts is dedicated to continuous improvement and innovation, ensuring that you have access to the latest advancements in precision technology!
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What is the use of an ERT40 tap collet?�������� It holds larger tap sizes for threading in CNC machines.
Is this compatible with ER40 tool holders?�������� Yes, it fits all ER40 DIN-compliant chucks.
What applications is it best for?�������� Heavy-duty tapping in industrial and production machining.
Can it resist high torque loads?�������� Yes, it provides firm clamping and torque resistance.
Is it reusable and durable?�������� Yes, it is made of high-quality hardened steel for long life.
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BT40 Pull Stud with 90° Head Angle – CNC Retention Knob | Block to Box
Secure your CNC tool holders with BT40 Pull Studs (90° head) from Block to Box  precision-engineered for tight clamping, smooth drawbar engagement, and long operational life.
Manufactured from hardened alloy steel, these pull studs are built to withstand high-tensile loads and vibration in automated tool-changing environments. The 90° head design is ideal for many standard VMCs and CNC milling machines that require flat-face engagement.
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Product Highlights:
Taper Type: BT40
Head Type: 90° (Flat face)
Material: Hardened alloy steel
Surface Finish: Anti-rust black oxide coating
Tensile Strength: 1100–1200 N/mm²
Application: CNC, VMC, ATC-compatible tool holders
Machining Standard: DIN/ISO compliant
Thread Type: M16 (standard for BT40 – verify as needed)
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for a wide range of machining applications, including milling, drilling, and boring, on various CNC machines.
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1. What is a BT40 90° Pull Stud used for?
A BT40 90° Pull Stud (also called a retention knob) connects the BT40 tool holder to the CNC machine’s drawbar. The 90° head fits specific spindle mechanisms that require flat-face contact for secure tool retention.
2. How is a 90° Pull Stud different from a 45° or 60° one?
The head angle determines how the drawbar grips the pull stud. A 90° pull stud has a flat-head engagement, while 45° or 60° studs have tapered heads. Always check your machine's manual for compatibility.
3. Is this pull stud compatible with all BT40 tool holders?
Yes, it fits all standard BT40 holders, but you must confirm if your machine requires a 90° head type before purchase.
4. What material is used for Block to Box pull studs?
We use heat-treated, high-tensile alloy steel for strength and durability. Our pull studs are black-oxide coated for corrosion resistance.
5. Can these pull studs be used in automatic tool changers (ATC)?
Yes, BT40 90° pull studs from Block to Box are ATC-compatible, offering reliable performance even in high-speed CNC machines.
6. How often should I replace a BT40 pull stud?
Pull studs should be inspected regularly for wear, cracking, or rounding at the head. In high-volume shops, replacement every 6–12 months is recommended.
7. Do you offer bulk discounts or dealer pricing?
Yes, we support bulk orders, OEM supply, and dealer pricing. Contact our sales team for quotes.
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BTB ER Spanners: Essential for Secure Tooling
Reliable and durable BTB ER Spanners designed for secure clamping and quick tool changes.
Textured Grip for Enhanced Control: These spanners feature a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER collets. This reduces the risk of slippage and provides greater control during tool changes.
Constructed from High-Quality Alloy Steel: Crafted from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear. This ensures long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
Benefits and Applications:
Ideal for use with a wide range of ER collets and tooling systems.
Benefits include: Improved accuracy, Enhanced safety, Increased productivity, Reduced downtime.
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Is the ER20 hex spanner suitable for industrial CNC machines?Yes, it's built for regular tool holding operations in CNC machining.
How is this different from an open-end spanner?The hex design fits ER20 collet nuts more securely, reducing damage.
What torque range can it handle?It's suitable for standard torque used with ER20 systems.
Is the tool rust-resistant?Yes, it features an anti-corrosion finish.
Can I use this for both tightening and loosening?Yes, it's reversible for both operations.
BTB ER Spanners: Essential for Secure Tooling
Reliable and durable BTB ER Spanners designed for secure clamping and quick tool changes.
Textured Grip for Enhanced Control: These spanners feature a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER collets. This reduces the risk of slippage and provides greater control during tool changes.
Constructed from High-Quality Alloy Steel: Crafted from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear. This ensures long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
Benefits and Applications:
Ideal for use with a wide range of ER collets and tooling systems.
Benefits include: Improved accuracy, Enhanced safety, Increased productivity, Reduced downtime.
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Is this tool only for ER16M collet systems?Yes, it’s custom-designed for ER16M mini collet nuts.
Can it be used in engraving tools?Absolutely, it’s well-suited for engraving and micro-machining.
Is the design ergonomic?Yes, the handle is shaped for comfort in frequent use.
What is the size compatibility?Compatible only with ER16M mini nuts.
How is the finish?Features a corrosion-resistant and non-slip finish.
BTB ER Spanners: Essential for Secure Tooling
Reliable and durable BTB ER Spanners designed for secure clamping and quick tool changes.
Textured Grip for Enhanced Control: These spanners feature a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER collets. This reduces the risk of slippage and provides greater control during tool changes.
Constructed from High-Quality Alloy Steel: Crafted from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear. This ensures long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
Benefits and Applications:
Ideal for use with a wide range of ER collets and tooling systems.
Benefits include: Improved accuracy, Enhanced safety, Increased productivity, Reduced downtime.
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What is the purpose of an ER16 hex spanner?It is used to tighten or loosen ER16 collet nuts during tool changes in CNC machines.
Is this spanner compatible with all ER16 collet chucks?Yes, it fits any ER16 collet nut built to DIN6499 standards.
What material is used to manufacture this spanner?High-grade alloy steel, heat-treated for durability and torque handling.
Can I use this for daily industrial applications?Yes, it's built for repetitive use in CNC and precision machining environments.
Does it have an anti-slip design?Yes, the hex head ensures a firm grip to prevent slippage.
BTB Spanners for ER11M-Mini Nut
Essential spanners designed for secure and efficient tightening/loosening of ER11M-Mini Nuts.
Textured Grip: Features a textured grip for a secure and comfortable hold, ensuring precise tightening and loosening of ER11M-Mini Nuts. This reduces the risk of slippage and provides greater control during tool changes.
Made from Quality Alloy Steel: Constructed from durable alloy steel, these spanners offer exceptional strength and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Increased Tool Life: By providing a secure and consistent clamping force, these spanners contribute to increased tool life. Proper clamping minimizes vibration and reduces the risk of tool breakage, resulting in greater efficiency and reduced downtime.
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Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Longer tool life
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Applications:
Specifically designed for use with ER11M-Mini Nuts in various CNC machining applications.
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What’s unique about the ER11M mini spanner?It’s built for smaller-diameter ER11M collet nuts with high precision.
Is this suitable for miniature CNC applications?Yes, it is ideal for compact, low-force tool holding systems.
Does it provide torque control?Manual torque with excellent grip for sensitive adjustments.
What material is used?Made from heat-treated steel with anti-wear coating.
Can it fit standard ER11 nuts?No, it is specifically designed for ER11M mini nuts only.
BTB ER16M Mini Nuts for Collet Chucks (DIN6499)
High-performance ER16M Mini Nuts for superior accuracy and reliable tool clamping in your CNC machines, optimized for high-speed applications.
Enhanced Clamping Force: Coated Nuts provide 100% more clamping pressure compared to standard bearing nuts, ensuring superior tool holding power and stability, even at high speeds and under demanding conditions.
High-Speed Performance: Specifically designed for use when speeds exceed 10,000 RPM, these mini nuts maintain secure and reliable tool clamping, minimizing the risk of tool slippage or breakage during high-speed machining operations.
Made from High-Quality Steel: Crafted from premium-grade steels, these nuts offer exceptional strength, durability, and resistance to wear and tear, ensuring long-lasting performance and reliable operation in demanding machining environments.
Recommended Torque: For optimal performance and to prevent over-tightening, use 80-90% of the maximum recommended torque.
Benefits:
Improved accuracy
Enhanced safety
Increased productivity
Reduced downtime
Enhanced tool life
Applications:
Ideal for high-speed machining applications, including milling, engraving, and drilling, where maintaining secure tool clamping at elevated speeds is critical.
What is an ER16M mini nut used for?It is used to tighten ER16M mini collets into tool holders securely.
Is this compatible with all ER16M collets?Yes, it fits any ER16M collet built to DIN6499 specifications.
Can this nut withstand high-speed operations?Yes, it is designed for high RPM and reduced vibration.
What material is used for this nut?Made from heat-treated alloy steel for long-lasting durability.
Does it offer balanced torque distribution?Yes, it ensures even tightening and reduced tool runout.
Description
Heavy-duty Welding Gloves made from heat-resistant materials to protect against sparks, heat, and abrasion. Ideal for professional welding jobs.
Specification
Brand    -     BTB
Color    -     Mustard Orange/White
Material  -     Leather
