Home   ›   Shop   ›   JM71113HT

High Torque© (HT) retention knob, BT30, M12X1.75, 15°, Solid; replaces JM71113

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: M12X1.75
Angle: 15
Knob Diameter: 0.511
L1 Length: 0.7480
L2 Length: 0.945
Flange Thickness: 0.157
Hole Diameter: -
Neck Diameter: 0.352
Pilot Diameter: 0.512
Shoulder Diameter: 0.665
Wrench Flat Diameter: 0.549
Socket Part #: RKW30D
Number: JM71113HT
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
For Machines (see disclaimer)*: Komo

* 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