5/8-18X9 1/2 Fine Thread Hex Cap Screw Grade 5 Zinc (Pack Qty 45) BC-63152CH5O

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 6-32X1/2 Phillips Pan Square Cone Sems Fully Threaded Zinc (Pack Qty 10,000) BC-0608CPP.