JM31225HT

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High Torque© retention knob, BT40, M16X2, 45°, Coolant through

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: M16X2.0
Angle: 45
Knob Diameter: 0.740
L1 Length: 0.5520
L2 Length: 0.752
Flange Thickness: 0.120
Hole Diameter: 0.281
Neck Diameter: 0.490
Pilot Diameter: 0.669
Shoulder Diameter: 0.938
Wrench Flat Diameter: 0.745
Socket Part #: RKW40
Number: JM31225HT
Solid Version: JM31225-HHTHS
Alternate Part: JM31225HTHS
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
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.