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Magnetic Particle tested and certified, High Torque© (HT) Retention Knob, CAT50; 1"-8; 90°, Coolant through

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video


Category: Retention Knobs
Thread Size: 1.00-8
Angle: 90
Knob Diameter: 0.942
L1 Length: 0.9030
L2 Length: 1.218
Flange Thickness: 0.197
Hole Diameter: 0.315
Neck Diameter: 0.706
Pilot Diameter: -
Shoulder Diameter: 1.415
Wrench Flat Diameter: 1.175
Socket Part #: RKW50M
Number: HP32420BHT
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number

* Retention knobs are not interchangeable. Machines are only given as a reference, JMPP makes no guarantee this is the correct knob for your machine. Please call us at 1-800-322-7750 or email sales@jmperformanceproducts.com for knob identification help.

WARNING: The steel alloy used in this product contains chromium and nickel. This product can expose you to chemicals including chromium and nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.