Three Arm Knob

These are the knobs we use for the hold down clamps on CNC machines.  They work great to hold your part in place while it’s being cut.  They make for a quick, easy adjustment for part swap outs or position changes and require little to no maintenance.

Works great with the Flat Washer 1/4″ Screw Size

1/4″-20 x 1-1/2″ Threaded Steel stud 1-18″ Diameter
Black Phenolic

Qty. 1 piece