4-40X3/8 6 Lobe Pan Thread Rolling Screws Thread Roll Sc Fully Thread 18-8 S/S Pass & Wax (Pack Qty 5,000) BC-0406RTP188

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 M4-0.7X20 Din 966 Metric Phillips Oval Machine Screw Full Thread A2 Stainless Steel (Pack Qty 4,000) BC-M420D966A2.