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Our line of Press-Thru (trade marked) spring and ball plungers have the same dimensions, spring pressures, and materials as our standard press fit product line.
Press-Thru™ Spring Plungers

Our line of Press-Thru (trade marked) spring and ball plungers have the same dimensions, spring pressures, and materials as our standard press fit product line.

Quick Acting Knobs
Product Information

Quick Acting Knobs

These steel knobs are excellent for fast clamping. The oblong hole lets you tilt and slide the knob onto a stud. For clamping action, simply straighten the knob, turn clockwise, and the threads will engage. To remove knob, tolt and slide off. Not suitable for vibrating equipment.

Steel- Black finish


Quick Acting Knobs
Part
No.		 Thread
Size		 A B C D Net Lbs
Per 100
28101 1/4-20 1-1/8 9/16 5/8 5/16 6
28102 5/16-18 1-1/2 11/16 7/8 3/8 11
28103 3/8-16 2" 13/16 1" 1/2 22
28104 1/2-13 2-1/2 1" 1-1/8 9/16 33
28105 5/8-11 3" 1-1/4 1-1/4 5/8 58