5/16-18X5 Coarse Thread Hex Cap Screw Grade 8 Zinc Yellow (Pack Qty 250) BC-3180CH8O

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 M6-1.0X20 ISO14583 Metric 6 Lobe Pan Machine Screw Full Thread Class 8.8 Heat Treat Zinc ROHS (Pack Qty 2,500) BC-MI62014583.