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OBSOLETE-Bayonette style retention knob; CAT50, 1"-8; 90°, Coolant through.

Category: Retention Knobs
Thread Size: 1.00-8
Angle: 90
Knob Diameter: .875 X 1.55
L1 Length: 1.8150
L2 Length: 1.815
Flange Thickness: -
Hole Diameter: 0.437
Neck Diameter: 0.915
Pilot Diameter: -
Shoulder Diameter: N/A
Wrench Flat Diameter: N/A
Socket Part #: N/A
Number: JM17149C
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