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Standard retention knob, CAT 45, 3/4"-10, 45°, Solid

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: .750-10
Angle: 45
Knob Diameter: 0.745
L1 Length: 1.3900
L2 Length: 1.600
Flange Thickness: 0.128
Hole Diameter: -
Neck Diameter: 0.505
Pilot Diameter: 0.760
Shoulder Diameter: 1.180
Wrench Flat Diameter: 0.941
Socket Part #: RKW45M
Number: JM51833
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
For Machines (see disclaimer)*: American Sip

* 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 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