TECHNIKS Retention Knob: CAT40 Taper, 45°
The TECHNIKS Retention Knob is a CAT40 taper, 45°, 0.74 in diameter CAT retention knob (MPN 21003) manufactured to ANSI standards. This component is designed for use in industrial tooling systems requiring a CAT40…
SKU 3G-OTH-265330
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Product Description
The TECHNIKS Retention Knob is a CAT40 taper, 45°, 0.74 in diameter CAT retention knob (MPN 21003) manufactured to ANSI standards. This component is designed for use in industrial tooling systems requiring a CAT40 interface.
Frequently Asked Questions
What is the TECHNIKS Retention Knob CAT40 used for?
The TECHNIKS Retention Knob CAT40 (MPN 21003) is used to secure tool holders in CNC machine spindles with a CAT40 taper interface. It is a critical component in industrial machining operations, ensuring tool retention during high-speed cutting, milling, and drilling processes.
What are the specifications of the TECHNIKS Retention Knob 21003?
The TECHNIKS Retention Knob 21003 features a CAT40 taper, a 45° angle, and a 0.74 in diameter. It is manufactured to ANSI standards by TECHNIKS. This knob is designed for use in industrial tooling systems requiring a CAT40 interface for secure spindle retention.
Where to buy TECHNIKS Retention Knob CAT40 worldwide?
You can source the TECHNIKS Retention Knob CAT40 (MPN 21003) worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location, ensuring a smooth procurement process for this ANSI-standard component.
How to select the correct TECHNIKS Retention Knob for a CAT40 spindle?
To select the correct TECHNIKS Retention Knob for a CAT40 spindle, verify the taper size (CAT40), angle (45°), and diameter (0.74 in) match your tool holder and machine specifications. Ensure the knob meets ANSI standards, as the TECHNIKS 21003 does, for proper fit and safe operation.
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3G Electric supplies TECHNIKS cat retention knobs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













