2-56X1/4 Phillips Pan Square Cone 410 Stainless Sems Fully Threaded 18-8 Stainless Steel (Pack Qty 3,000) BC-0204CPP188

Phillips Pan Square Cone 410 Stainless Sems Fully Threaded 18-8 Stainless Steel

A machine screw and free-spinning lock-washer manufactured as one assembly. Steel SEMS are available with the following types of washers: internal tooth, external tooth, split-lock and conical. Stainless SEMS are offered with external tooth lock washers.