JM51027

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Standard retention knob, CAT 40, 5/8"-11, 15°, Solid

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: .625-11
Angle: 15
Knob Diameter: 0.746
L1 Length: 0.7874
L2 Length: 1.024
Flange Thickness: 0.158
Hole Diameter: -
Neck Diameter: 0.549
Pilot Diameter: 0.641
Shoulder Diameter: 0.902
Wrench Flat Diameter: 0.746
Socket Part #: RKW40
Number: JM51027
Coolant Version: JM51023HS JM51023HTHS
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
For Machines (see disclaimer)*: Matsuura

* 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.