Three Arm Knob
$2.25
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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 plastic Qty. 1 piece
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