5/16-18X7 Coarse Thread Hex Cap Screw Grade 8 Zinc Yellow (Pack Qty 225) BC-31112CH8O

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 8X7/8 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board (Pack Qty 3,000) BC-0814CPG.