2-56X3/16 Phillips Pan Internal Sems Machine Screw Fully Threaded 18-8 Stainless Steel (Pack Qty 5,000) BC-0203IPP188

Phillips Pan Internal Sems Machine Screw 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.