1/4-20X1/2 Coarse Thread Hex Cap Screw Grade 9 DFAR EcoGuard Gray/Silver 1,000 Hr Corrosion (Pack Qty 3,300) BC-1408CH9

Has greater tensile strength than a Grade-8. Designed for use in heavy machinery and equipment subject to harsh environmental and fatigue conditions AISI 8637 / 8640 / 8740 Medium Carbon Alloy Steel wire or 4340 Alloy Steel bar stockYou may also like 10-9X5/8 Phillips Pan Deep Thread Wood Screw Full Thread Zinc (Pack Qty 6,000) BC-1010DPPD.