1/4-20 x 4 Combo Flat Sleeve Anchor Zinc Plated (50)

7/16-14 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

5/8-11 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

9/16-18 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (75)

5/8-11 x 1 1/2 Hex Tap Bolt Silicon Bronze

2 1/4-4 1/2 Grade 2 Finished Hex Nut Plain 5/16-18 Socket Cap Screws Alloy 1/4-20 x 4 Combo Flat5 8 11 Grade 2 Finished Hex Nut Plain . Grade 2 Finished Hex Nuts are manufactured from low carbon steel, 1008 1010 for diameters up to 1 inch (cold formed) and 1045 steel for diameters 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. Hot Dip Galvanized nuts are over tapped per ASTM A563. Hardness