4-24X1/4 Slotted Indented Hex Washer Self Tapping Screw Type B Fully Threaded Black Oxide (Pack Qty 10,000) BC-0404BSWB

For molded or through holes in thin metal, non-ferrous castings, plastics or resin-filled plywood Screws shall be quenched in liquid and then tempered by reheating to 650°F minimum Steel: AISI 1016 - 1024 or equivalent steel.You may also like 4-40X1/8 MS51959, NASM51959 Phil Flat Machine Screw Full Thread 300 Series S/S DFAR (Pack Qty 5,000) BC-MS51959-11.