8-32X3/8 Slotted Indent Hex washer Internal Sems Machine Screw Full Thread Zinc (Pack Qty 8,000) BC-0806ISW

Slotted Indent Hex washer Internal Sems Machine Screw Full Thread Zinc

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.