With this specific product

5/8-18 x 5 Socket Cap Screw Alloy

9/16-18 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

5/8-11 x 4 1/2 Socket Set Screw Cup Point Alloy

1/4-28 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1-8 x 13 A307A Hex Bolt Zinc Plated 7/8-14 Socket Set Screws Cup Point Alloy With this specific product1 8 x 13 A307A Hex Bolt Zinc Plated . A307A Hex Bolts are manufactured from low carbon steel, typically 1015 1022. Our A307A bolting meets or exceeds ASTM A307 Grade A. Material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Tensile strength will meet or exceed 60,000 psi.