TECHNIKS CAT50 Retention Knob, 90°, 0.9 in Dia, 21005-90
The TECHNIKS Retention Knob is a CAT50 taper retention knob with a 90° angle and 0.9-inch diameter, identified by manufacturer part number 21005-90. This MAS-standard component is designed for use in CAT50 tooling…
SKU 3G-OTH-265339
Also listed as: 2100590 · 21005 90
Local availability & support
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The TECHNIKS Retention Knob is a CAT50 taper retention knob with a 90° angle and 0.9-inch diameter, identified by manufacturer part number 21005-90. This MAS-standard component is designed for use in CAT50 tooling systems.
Frequently Asked Questions
What is a TECHNIKS CAT50 retention knob used for?
A TECHNIKS CAT50 retention knob secures tool holders in CNC machine spindles with a CAT50 taper interface. The 90° angle and 0.9-inch diameter ensure proper drawbar engagement for reliable tool retention during machining operations.
What are the specifications of the TECHNIKS 21005-90 retention knob?
The TECHNIKS 21005-90 is a CAT50 taper retention knob with a 90° angle and 0.9-inch diameter. It meets MAS standards and is designed for CAT50 tooling systems. The manufacturer part number is 21005-90.
Where to buy TECHNIKS retention knobs worldwide?
3G Electric supplies TECHNIKS retention knobs like the 21005-90 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this MAS-standard CAT50 component.
How to select the correct retention knob for a CAT50 spindle?
Select a retention knob that matches your spindle's taper size (CAT50), angle (commonly 45° or 90°), and diameter. Verify the standard (e.g., MAS) and manufacturer part number. The TECHNIKS 21005-90 is a 90° option for CAT50 systems.
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.