4-40X3/16 Phillips Pan External Sems Machine Screw Fully Threaded Zinc Yellow (Pack Qty 10,000) BC-0403EPPY

$355.13
SKU:
BC-0403EPPY
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Description

Phillips Pan External Sems Machine Screw Fully Threaded Zinc Yellow

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.