4-40X1/4 Phillips Pan Internal Sems Machine Screw Fully Threaded Black Zinc (Pack Qty 10,000) BC-0404IPPBZ

$469.37
SKU:
BC-0404IPPBZ
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Description

Phillips Pan Internal Sems Machine Screw Fully Threaded Black 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.