3/4-10 x 2 1/2 Flat Socket Cap Screw Zinc

3/4-10 x 2 1/2 Flat Socket Cap Screw Zinc . Zinc plated Flat Socket Head Cap Screws from Brighton Best. Hardness of RC 38-43, meets or exceeds ASTM F835. Manufactured from heat treated alloy steel, 1960 series.