Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a TECHNIKS retention knob used for?
A TECHNIKS retention knob secures the tool holder into the spindle of a CNC machine. It is used in machining centers and milling applications to ensure the tool holder remains locked during high-speed operations, preventing tool pullout and maintaining precision.
What are the specifications of the TECHNIKS retention knob 21008-15?
The TECHNIKS retention knob model 21008-15 has a CAT50 taper, a 15° angle, and a 1.1-inch diameter. It is manufactured by TECHNIKS and is designed for use with CAT50 tool holders in CNC machining centers. The part number is 21008-15.
Where to buy TECHNIKS retention knobs worldwide?
You can source TECHNIKS retention knobs worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the TECHNIKS 21008-15 retention knob.
How to select the correct TECHNIKS retention knob for a CAT50 spindle?
To select the correct TECHNIKS retention knob, match the taper size (CAT50), angle (15°), and diameter (1.1 in) to your spindle and tool holder specifications. Verify the manufacturer part number (21008-15) and ensure compatibility with your machine's drawbar mechanism. Consult your machine manual for exact requirements.
Used in
Common applications for TECHNIKSTECHNIKS Products
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.
