1 1/2-6X6 1/2 Coarse Thread Hex Cap Screw Grade 5 Zinc (Pack Qty 2) BC-150104CH5O

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 1/4-20X1 3/4 Phillips Flat Machine Screw Fully Threaded Black Oxide (Pack Qty 1,500) BC-1428MPFB.