Retention Knob, 0.59 in., CAT40, 5/8-11 in. MPN:21003-90
Retention Knob, 0.59 in., CAT40, 5/8-11 in.
This retention knob is designed for CAT40 taper size applications, featuring a 5/8-11 thread size and a 90-degree angle radius. With a hardened construction for maximum longevity, all mating surfaces are precision ground for optimal performance. Suitable for use in both coolant-fed and non-coolant through applications, this retention knob is ideal for machine shops, fabrication facilities, and other industries requiring precise tool retention. Its compact size and precision engineering make it a reliable choice for a variety of applications, including CNC machining, grinding, and turning operations.
Top product features:
- All Mating Surfaces Precision Ground
- Hardened for Maximum Longevity
- Coolant Fed Non-Coolant Through
Top product applications:
- Milling Machine Spindle
- Lathe Spindle
- CNC Machine Spindle
Retention Knob, Taper Size CAT40, Thread Size 5/8 In.-11, Angle Radius 90 Degrees , Knob Outside Dia. 0.5900 in, Coolant Fed Non-Coolant Through, Features All Mating Surfaces Precision Ground, Hardened for Maximum Longevity
Additional Information
- Country of Origin: TW
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 20 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 2.75
- Package Width: 1.00
- Package Height: 1.00
- Package Weight: 0.20
Product info last updated on January 23, 2026 11:48pm UTC
Category: Workholding and Machine Tool Accessories