4-40X5/16 Phillips Flat Undercut Machine Screw Fully Threaded 18 8 Stainless Steel Black Oxide (Pack Qty 8,000) BC-0405MPU188B

$246.69
SKU:
BC-0405MPU188B
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Description

Phillips Flat Undercut Machine Screw Fully Threaded 18 8 Stainless Steel Black Oxide

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.