4-40X3/8 Phillips Flat Undercut Machine Screw Fully Threaded Black Zinc (Pack Qty 10,000) BC-0406MPUBZ

$598.65
SKU:
BC-0406MPUBZ
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Description

Phillips Flat Undercut Machine Screw Fully Threaded Black 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.