4-40X3/8 Phillips Round Machine Screw Fully Threaded 18 8 Stainless Steel (Pack Qty 5,000) BC-0406MPR188

Phillips Round Machine Screw Fully Threaded 18 8 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.