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TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 15° - Coolant-Through CAT Retention Knobs
TECHNIKSCoolant-Through CAT Retention Knobs

TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 15°

SKU 3G-OTH-270926

Brand
TECHNIKS
Item
Retention Knob: Coolant Through, CAT50 Taper, 15°
Category
Coolant-Through CAT Retention Knobs
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Technical Specifications

TECHNIKS
Manufacturer Part Number
21008-15C
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TECHNIKS Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the TECHNIKS 21008-15C retention knob used for?

The TECHNIKS 21008-15C is a coolant-through retention knob designed for CAT50 taper tool holders. It secures the tool holder in the spindle of CNC machining centers while allowing coolant to pass through for improved chip evacuation and thermal control during high-speed machining operations.

What are the specifications of the TECHNIKS 21008-15C retention knob?

The TECHNIKS 21008-15C retention knob has a CAT50 taper, a 15° angle, and a 1.1-inch diameter. It is designed for coolant-through applications and is manufactured by TECHNIKS under part number 21008-15C. This knob ensures secure tool retention in compatible CNC spindles.

Where to buy TECHNIKS retention knobs worldwide?

TECHNIKS retention knobs like the 21008-15C are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other TECHNIKS parts.

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 specifications. Verify coolant-through capability if required. Always consult the machine tool manufacturer's manual to confirm compatibility and avoid spindle damage.

Used in

Common applications for TECHNIKS
CNC milling — TECHNIKS BT40 end mill holders with coolant-through-spindle for high-speed machining of steel and aluminum.
High-pressure coolant machining — TECHNIKS sealed ER20 coolant collets for deep-hole drilling and chip evacuation in aerospace components.
Precision tool holding — TECHNIKS standard ER32 collets for holding drills and reamers in automated lathe operations.
Heavy-duty milling — TECHNIKS TG150 collets for clamping large-diameter tools in roughing operations on cast iron.
Coolant-through-spindle applications — TECHNIKS plug-style ER40 coolant collets for delivering coolant to the cutting edge in multi-axis machining centers.

TECHNIKS 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.

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