The Hillman Group 4723 5/16 x 1 1/2-Inch Socket Shoulder Screw 3-Pack
- Socket Shoulder Screws Are Screws That Have An Unthreaded Shoulder Below The Head To Act As A Fulcrum For A Lever Pivoted On It..
- Used In Punch-And-Die Mechanisms Or Plastic-Injection-Mold Sets..