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High Strength (HS) retention knob; BT40, M16x2; Radius, Solid; replaces JM25095

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: M16X2.0
Angle: R
Knob Diameter: 0.610
L1 Length: 1.1110
L2 Length: 1.342
Flange Thickness: 0.276
Hole Diameter: -
Neck Diameter: 0.479
Pilot Diameter: 0.669
Shoulder Diameter: 0.885
Wrench Flat Diameter: 0.741
Socket Part #: RKW40
Number: JM25095HS
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number

* 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