JM31113F

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Standard retention knob, BT40, M16x2, 90°; Coolant through

Retention Knob Information and Installation (PDF)

Retention Knob Installation Video

Category: Retention Knobs
Thread Size: M16X2.0
Angle: 90
Knob Diameter: 0.589
L1 Length: 1.1000
L2 Length: 1.376
Flange Thickness: 0.234
Hole Diameter: 0.197
Neck Diameter: 0.392
Pilot Diameter: 0.669
Shoulder Diameter: 0.903
Wrench Flat Diameter: 0.741
Socket Part #: RKW40
Number: JM31113F
Solid Version: JM31113BHTHS
Alternate Part: JM31113FHT
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
Retention Knob Supply: RK311-13F
Seco: 1624
Command: RB4M-0003-C
Davies: PSC-444X90
Lyndex: B40-9000H
MSC: 1401678
Parlec: 4002TRKC

* 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.