TECHNIKS Coolant-Through CAT40 Retention Knob, 90°, 0.59 in Dia, 21003-90C
TECHNIKS Coolant-Through CAT Retention Knobs.
SKU 3G-OTH-270924
Also listed as: 2100390C · 21003 90C
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
TECHNIKS Coolant-Through CAT Retention Knobs.
Frequently Asked Questions
What is a TECHNIKS retention knob used for?
A TECHNIKS retention knob secures the tool holder in the spindle of a CNC machine. This coolant-through CAT40 model, part number 21003-90C, delivers coolant directly to the cutting edge for improved machining performance and tool life.
What are the specifications of the TECHNIKS 21003-90C retention knob?
The TECHNIKS 21003-90C is a coolant-through retention knob with a CAT40 taper, a 90° angle, and a 0.59 in diameter. It is designed for use in CNC machining centers requiring through-spindle coolant delivery.
Where to buy TECHNIKS retention knobs worldwide?
3G Electric supplies TECHNIKS retention knobs like the 21003-90C to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your CNC tooling needs across 14 industrial departments.
How to install a TECHNIKS coolant-through retention knob?
Install the TECHNIKS retention knob by threading it into the tool holder drawbar per the manufacturer's torque specification. Ensure the coolant passage is clear and the taper is clean before tightening to prevent runout or coolant leakage.
Used in
Common applications for TECHNIKSTECHNIKS Products
3G Electric supplies TECHNIKS coolant-through cat retention knobs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
