BTB Collet ER25 (DIN6499) Class-1
Available Sizes: 1mm - 16mm
High-performance ER25 collets (DIN6499) for superior accuracy and reliable tool clamping in your CNC machines.
Dimensions:


All sizes mentioned are in MM.
Features:
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High Performance: Designed for demanding machining applications, these collets deliver exceptional performance with minimal runout, ensuring superior accuracy and surface finish.
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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.
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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.
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Conforms to DIN 6499 Standard: Manufactured to the exacting DIN 6499 standard, ensuring precise and repeatable clamping force.
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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.