TECHNIKS Retention Knob: CAT40 Taper, 90°
The TECHNIKS Retention Knob is a CAT40 taper, 90° angle, 0.59 in diameter CAT retention knob (MPN 21003-90). It is manufactured to MAS specifications by TECHNIKS.
SKU 3G-OTH-265332
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Product Description
The TECHNIKS Retention Knob is a CAT40 taper, 90° angle, 0.59 in diameter CAT retention knob (MPN 21003-90). It is manufactured to MAS specifications by TECHNIKS.
Frequently Asked Questions
What is a TECHNIKS CAT40 retention knob used for?
A TECHNIKS CAT40 retention knob secures the tool holder in the spindle of a CNC machining center. It ensures proper drawbar engagement for safe, high-speed milling and drilling operations across industrial metalworking applications.
What are the specifications of the TECHNIKS 21003-90 retention knob?
The TECHNIKS 21003-90 is a CAT40 taper retention knob with a 90° angle and 0.59 in diameter. It is manufactured to MAS specifications by TECHNIKS, ensuring compatibility with standard CAT40 tooling systems.
Where to buy TECHNIKS retention knobs worldwide?
3G Electric supplies TECHNIKS retention knobs worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 21003-90 or other CAT40 knobs.
How to select the correct CAT40 retention knob for my machine?
Match the taper size (CAT40), thread pitch, and angle to your spindle's drawbar specifications. The TECHNIKS 21003-90 uses a 90° angle and 0.59 in diameter. Always verify your machine's MAS standard compliance before ordering.
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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.
