JM31647HT

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High Torque© retention knob, CAT50, 1"-8, 45°, Coolant through, O-Rings included

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: 1.00-8
Angle: 45
Knob Diameter: 0.903
L1 Length: 1.3840
L2 Length: 1.778
Flange Thickness: 0.392
Hole Diameter: 0.236
Neck Diameter: 0.668
Pilot Diameter: 1.026
Shoulder Diameter: 1.438
Wrench Flat Diameter: 1.245
Socket Part #: RKW50
Number: JM31647HT
Solid Version: JM31118HT, JM31118HTHS
Alternate Part: JM31647HTHS
Thread Side O-Ring: 2-118-N674-70
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
Kenn 2: 2878534
New MSC: 68951938
For Machines (see disclaimer)*: Makino

* 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.