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TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 60° - Coolant-Through CAT Retention Knobs
TECHNIKSCoolant-Through CAT Retention Knobs

TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 60°

SKU 3G-OTH-270922

Brand
TECHNIKS
Item
Retention Knob: Coolant Through, CAT40 Taper, 60°
Category
Coolant-Through CAT Retention Knobs
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Technical Specifications

TECHNIKS
Manufacturer Part Number
21003-60C
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TECHNIKS Products
3G Electric (S) Pte. Ltd. — Singapore

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 version, CAT40 taper with a 60° angle and 0.59 in diameter, allows cutting fluid to pass through the tool for improved cooling and chip evacuation during machining operations.

What are the specifications of the TECHNIKS 21003-60C retention knob?

The TECHNIKS 21003-60C is a coolant-through retention knob with CAT40 taper, 60° angle, and 0.59 in diameter. It is designed for CNC machine spindles to deliver coolant through the tool. The manufacturer part number is 21003-60C, and the brand is TECHNIKS.

Where to buy TECHNIKS retention knobs worldwide?

You can source TECHNIKS retention knobs like the 21003-60C through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this TECHNIKS part.

How to select the correct retention knob for a CNC machine?

To select the correct retention knob, match the taper size (e.g., CAT40), thread pitch, and pull-stud angle (e.g., 60°) to your machine spindle. For coolant-through applications, ensure the knob has a through-hole. The TECHNIKS 21003-60C fits CAT40 spindles with a 60° angle and 0.59 in diameter.

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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