#12-24 x 1-1/2" drill screw with 5/16" hex washer head. Drilltite dual-processed drill points offer equal sharpness and positive drilling. #5 point drills metal up to 1/2" (.500") thick, eliminating separate drilling and tapping operations. Stalgard coating provides 1,000 hrs. salt spray resistance (per ASTM B117). Specially-designed drill points handle the toughest applications
This line of heavy-duty drill screws is designed to speed installation in steel applications up to 1/2" thick.

#12 Diameter; Decking Fasteners and Drill Screws for Steel Thicknesses of 0.175" to 0.500"