1/4-20X3/8 Phillips Flat Undercut Machine Screw Fully Threaded 316 Stainless Steel (Pack Qty 1,000) BC-1406MPU316

Phillips Flat Undercut Machine Screw Fully Threaded 316 Stainless Steel

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.