5/16-18X1 1/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc (Pack Qty 1,000) BC-3120MWW

$429.40
SKU:
BC-3120MWW
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Description

Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc

A straight shank fastener with external threads designed to go through a hole or nut that is pre-tapped to form a mating thread for the screw. Machine screws form a fastening superior in strength to spaced thread screws.