4-40X3/16 Phil Flat U/C Thread Rolling Screws Thread Rolling Screw Full Thread Black Oxide & Wax (Pack Qty 10,000) BC-0403RPUB

For drilled, punched or corred holes in all ductile metals and punch extruded metals. Eliminates chips, requires low drive torque and provides excel lent resistance to vibrational loosening Steel thread rolling screws shall be made from cold-heading steel conforming to the following chemical composition: Carbon: 0.13-0.27%; Manganese: 0.64-1.71% 18-8: 18-8 stainless steel . 410: 410 austenitic stainless steelYou may also like M6-1X90 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Oxide (Pack Qty 100) BC-M6090CSP.