4-40X3/8 Phil Flat U/C Thread Rolling Screws Thread Rolling Full Thread 18-8 S/S Passivate Wax (Pack Qty 5,000) BC-0406RPU188

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 6-18X3/4 Slotted Pan Self Tapping Screw Type A Fully Threaded 18-8 Stainless Steel (Pack Qty 5,000) BC-0612ASP188.