10-24X3/8 Phil Pan Internal Tooth washer Thread Roll Full Thread Zinc Wax (Pack Qty 5,000) BC-1006RIPP

Tribular thread rolling screw with a gently rounded top surface and a captive, free-spinning external tooth lock washer manufactured as one assembly. As each lobe of the screw moves through the pilot hole in the nut material, it forms and work-hardens the nut thread metal, producing an uninterrupted grain flow For drilled, punched or corred holes in all ductile metals and punch extruded metals. Eliminated chips, requires low drive torque, and provides excellent resistance to vibrational loosening. The washer/screw assembly makes this locking screw with the washYou may also like 10-16X5/8 Indent Hex Washer Slotted Self Tap Screw AB Serrated Full Thread 18-8 Stainless St (Pack Qty 3,500) BC-1010ABSWS188.