1/4-20X5/8 Unslotted Indented Hex Wash Thread Rolling Screws Thread Roll Screw Full Thread Zinc Yellow Wax (Pack Qty 3,000) BC-1410RWY

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 8-32X5/16 Phillips Pan Thread Cutting Screw Type F Fully Threaded Black Oxide (Pack Qty 10,000) BC-0805FPPB.