TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 60°
The TECHNIKS Retention Knob is a coolant-through CAT retention knob designed for CAT40 taper tooling, featuring a 60° angle and a 0.59-inch diameter. This MAS-standard component, identified by manufacturer part…
SKU 3G-OTH-270923
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Product Description
The TECHNIKS Retention Knob is a coolant-through CAT retention knob designed for CAT40 taper tooling, featuring a 60° angle and a 0.59-inch diameter. This MAS-standard component, identified by manufacturer part number 21003-60CSF, enables coolant delivery through the toolholder 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 coolant-through CAT40 retention knob used for?
A TECHNIKS coolant-through CAT40 retention knob is used to secure CAT40 taper toolholders in CNC machine spindles while enabling coolant delivery through the toolholder. This design improves chip evacuation, reduces heat, and extends tool life during machining operations. It is a MAS-standard component suitable for industrial milling and drilling applications.
What are the specifications of the TECHNIKS retention knob 21003-60CSF?
The TECHNIKS retention knob 21003-60CSF is a coolant-through model for CAT40 taper tooling. It has a 60° angle and a 0.59-inch diameter. It meets MAS standards and is manufactured by TECHNIKS. This component is designed to deliver coolant through the toolholder for enhanced machining performance.
Where to buy TECHNIKS retention knobs worldwide?
TECHNIKS retention knobs, including the 21003-60CSF coolant-through CAT40 model, are available to order through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for sourcing and availability.
How to select the correct TECHNIKS retention knob for a CAT40 spindle?
To select the correct TECHNIKS retention knob for a CAT40 spindle, verify the taper size (CAT40), angle (commonly 60°), and coolant-through capability. Check the manufacturer part number, such as 21003-60CSF, and ensure it meets MAS standards. Consult the machine tool builder's specifications to confirm compatibility with your spindle and toolholder system.
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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.













