BT40 Pull Stud – 45° Angle | CNC Retention Knob – Block to Box
Upgrade your CNC tool holder setup with the BT40 Pull Stud – 45° from Block to Box. This precision-engineered retention knob is made from EN-grade hardened alloy steel, ensuring maximum strength, accuracy, and durability during high-speed machining.
Designed specifically for BT40 taper tool holders, the 45° shoulder angle provides excellent compatibility with drawbar mechanisms in VMCs and CNC milling machines.
Key Specifications:
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Type: BT40 Pull Stud
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Shoulder Angle: 45°
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Material: EN-24 or EN-47 Alloy Steel (Hardened & Tempered)
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Thread Type: Metric thread (check specific size)
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Surface Finish: Black oxide coated for corrosion resistance
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Compatibility: All standard BT40 CNC tool holders with 45° drawbar interface
Applications:
Why Choose Block to Box BT40 Pull Studs?
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Made from premium alloy steel for extreme durability
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Precision machining ensures a perfect fit and secure hold
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Resistant to wear, impact, and fatigue
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Trusted by machine shops across India
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Bulk and OEM orders accepted
1. What is a BT40 Pull Stud with a 45° angle?
A BT40 Pull Stud with a 45° shoulder angle is a retention knob that connects the BT40 tool holder to the CNC machine's spindle. The 45° angle refers to the contact surface that engages with the machine's drawbar for secure retention.
2. How do I know if I need a 45° or 60° pull stud?
Check your CNC machine's spindle drawbar specification. Some machines use a 45° shoulder angle, while others use 60°. Using the wrong angle may result in improper engagement or damage.
3. What material are these pull studs made of?
Block to Box BT40 pull studs are made from hardened EN-24 or EN-47 alloy steel, ensuring high tensile strength and fatigue resistance.
4. How do I know when to replace a pull stud?
Pull studs should be replaced if you notice cracks, wear at the neck or threads, or reduced holding strength. It’s recommended to inspect them regularly, especially under heavy machining use.
5. Is this pull stud compatible with all BT40 tool holders?
Yes, as long as your holder requires a BT40 taper with 45° angle, this pull stud is fully compatible.
6. Do you offer GST invoice and bulk discounts?
Yes! We provide GST-compliant invoices and support bulk pricing for workshops, dealers, and OEM customers.
Eligible for Buy 2 Get 1 Offer
In Stock - Dispatched Immediately
GST Invoice on Every Purchase
