Designed to be used with like-material machine screws and bolts

3/4-10 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

3/8-24 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

7/8-9 x 6 Socket Cap Screw Alloy

giving you durability you can count on in high-pressure environments

1 1/2-6 A563 Grade A Heavy Hex Nut Zinc Plated 1/2-20 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA Designed to be used with1 1 2 6 A563 Grade A Heavy Hex Nut Zinc Plated . Grade A Heavy Hex Nuts are manufactured from low carbon steel, 1008 1010 for sizes up to 1 inch (cold formed) and 1045 steel for sizes over 1 inch (hot formed). Material is manufactured to meet or exceed ASTM A563 Grade A. Zinc plated material will meet or exceed ASTM F1941. Hot Dip Galvanized material will meet or exceed ASTM A563. Typical hardness is HRB 68 HRC 32. Proof load strength will meet a