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TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45° - Coolant-Through CAT Retention Knobs
TECHNIKSCoolant-Through CAT Retention Knobs

TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°

The TECHNIKS Retention Knob is a coolant-through CAT retention knob designed for CAT40 taper tooling, featuring a 45° angle and a 0.74-inch diameter. This ANSI-standard component, manufacturer part number 21003-C…

SKU 3G-OTH-270918

Brand
TECHNIKS
Item
Retention Knob: Coolant Through, CAT40 Taper, 45°
Category
Coolant-Through CAT Retention Knobs
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Technical Specifications

TECHNIKS
Manufacturer Part Number
21003-C
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TECHNIKS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TECHNIKS Retention Knob is a coolant-through CAT retention knob designed for CAT40 taper tooling, featuring a 45° angle and a 0.74-inch diameter. This ANSI-standard component, manufacturer part number 21003-C, enables coolant delivery through the tool holder for enhanced machining operations.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a TECHNIKS Retention Knob 21003-C used for?

The TECHNIKS Retention Knob 21003-C is used to secure CAT40 taper tool holders in CNC machining spindles while enabling coolant-through delivery. This ANSI-standard component supports high-pressure coolant flow through the tool holder, improving chip evacuation, heat dissipation, and surface finish in milling and drilling operations.

What are the specifications of the TECHNIKS Retention Knob 21003-C?

The TECHNIKS Retention Knob 21003-C is a coolant-through CAT retention knob for CAT40 taper tooling. It has a 45° angle, a 0.74-inch diameter, and conforms to ANSI standards. The manufacturer part number is 21003-C. This design allows coolant to pass through the tool holder for enhanced machining performance.

Where to buy TECHNIKS Retention Knob 21003-C worldwide?

3G Electric supplies the TECHNIKS Retention Knob 21003-C to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for international orders. Contact our team to source this ANSI-standard coolant-through CAT40 retention knob for your machining operations.

How to install a coolant-through CAT40 retention knob?

To install a coolant-through CAT40 retention knob like the TECHNIKS 21003-C, first clean the tool holder taper and spindle bore. Thread the knob onto the drawbar per the machine manufacturer's torque specification. Ensure the coolant passages align properly. Verify the 45° angle seats correctly against the spindle collet for secure retention and leak-free coolant flow.

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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