1/4 x 3 1/2 Mushroom Spike Zinc Plated (100)

1-8 x 9 Simpson Wedge Anchor 316 SS (5)

3/8-16 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (50)

1-8 x 3 1/2 A307A Hex Bolt Hot Dipped Galvanized

7/8-9 x 6 Simpson Wedge Anchor 304 SS (5)

1/2-13 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (200) 3/4-16 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 1/4 x 3 1/2 Mushroom1 2 13 x 2 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (200) . 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