JM31275HT

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

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: 1.00-8
Angle: 45
Knob Diameter: 1.140
L1 Length: 0.7000
L2 Length: 1.000
Flange Thickness: 0.200
Hole Diameter: 0.390
Neck Diameter: 0.820
Pilot Diameter: 1.036
Shoulder Diameter: 1.430
Wrench Flat Diameter: 1.245
Socket Part #: RKW50
Number: JM31275HT
Alternate Part: JM11144HT, JM11144HTHS
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
New MSC: 68952001
For Machines (see disclaimer)*: Mazak

* 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.