1/4-20X5/8 Unslotted Ind Hex Wash Serrated Thread Rolling Screws Screw Full Thread Zinc Wax (Pack Qty 3,000) BC-1410RWS

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 8-32X3/16 Phillips Flat 100 Degree Machine Screw Fully Threaded Black Oxide (Pack Qty 10,000) BC-0803MP1B.