1/2-20X1 1/2 Fine Thread Hex Cap Screw Grade 5 Zinc (Pack Qty 300) BC-5124CH5O

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 8-11X1 1/2 Square Phil Drive Flat w/Nibs Deep Thread Wood Screw 2/3 Thread Type 17 Black Oxide (Pack Qty 6,000) BC-0824DXF17DB.