JM71122HS

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High Strength (HS) retention knob, BT 40, M16X2; 15°; Coolant through; Made from 9310H steel, 40% stronger; replaces JM71122

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: M16X2.0
Angle: 15
Knob Diameter: 0.747
L1 Length: 0.7870
L2 Length: 1.024
Flange Thickness: 0.157
Hole Diameter: 0.218
Neck Diameter: 0.549
Pilot Diameter: 0.668
Shoulder Diameter: 0.902
Wrench Flat Diameter: 0.746
Socket Part #: RKW40
Number: JM71122HS
Alternate Part: JM71122HTHS
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
Kenn 2: 287514
For Machines (see disclaimer)*: Chiron, Doosan, Hurco, Kitamura, Kiwa

* 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.