1/4-20X3 1/2 Coarse Thread Hex Cap Screw Grade 5 Zinc (Pack Qty 550) BC-1456CH5O

Has greater tensile strength than a Grade-2. Yield-to-tensile ratio is the lowest of all heat treated steels Grade-5 cap screws shall be heat treated, oil or water quenched, at the option of the manufacturer, and tempered at a minimum tempering temperature of 800°FYou may also like 12-14X1 1/2 Phillips Oval Self Tapping Screw Type AB Fully Threaded 18-8 Stainless (Pack Qty 1,000) BC-1224ABPO188.