5/16-18 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (300)

9/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

1-14 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (10)

1 1/4-7 x 3 A307A Hex Bolt Hot Dipped Galvanized

1-14 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) Flat Sleeve Anchors Zinc Plated 5/16-18 x 4 1/2 Grade1 14 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on