4-40X3/16 Phil Flat U/C Thread Rolling Screws Thread Rolling Screw Fully Thread Zinc & Wax (Pack Qty 10,000) BC-0403RPU

Phil Flat U/C Thread Rolling Screws Thread Rolling Screw Fully Thread Zinc & Wax

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