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OBSOLETE-Standard retention knob, BT40, M16x2, 15°; Solid-See JM32912HS, JM32912HT, JM32912HTHS

Category: Retention Knobs
Thread Size: M16X2.0
Angle: 15
Knob Diameter: 0.746
L1 Length: 0.9035
L2 Length: 1.140
Flange Thickness: 0.274
Hole Diameter: -
Neck Diameter: 0.549
Pilot Diameter: 0.669
Shoulder Diameter: 0.903
Wrench Flat Diameter: 0.746
Socket Part #: RKW40
Number: JM32912
Coolant Version: JM32913HS, JM32913HT, JM32913HTHS
Alternate Part: JM32912HS, JM32912HT, JM32912HTHS
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
Retention Knob Supply: RK329-12
Seco: 1625
HPI: HPS-805
Big Kaiser: 40PH
Command: RS4M-0205
Davies: PS-444X15
Lyndex: B40-1500
Parlec: 4020TRK
For Machines (see disclaimer)*: Doosan, Kitamura, Kiwa, Matsuura, Okuma

* 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