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OBSOLETE-Standard retention knob; CAT40, 5/8-11; 45°; Solid-See JM12622HS, JM12622HT

Category: Retention Knobs
Thread Size: .625-11
Angle: 45
Knob Diameter: 0.588
L1 Length: 1.0000
L2 Length: 1.265
Flange Thickness: 0.234
Hole Diameter: -
Neck Diameter: 0.392
Pilot Diameter: -
Shoulder Diameter: 0.906
Wrench Flat Diameter: 0.743
Socket Part #: RKW40
Number: JM12622
Alternate Part: JM12622HS, JM12622HT
Country of Origin: USA

This knob is a replacement for the following parts:

ManufacturerPart Number
Retention Knob Supply: RK126-22
Seco: 1637
Davies: PS531X45
MSC: 1401686
Parlec: 4022TRK+P155
For Machines (see disclaimer)*: Hurco

* 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