1/4-28 x 5/8 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1/2-13 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

It has a hexagonal drive at one end and a cup-shaped indentation at the other end

3/8 x 3 Mushroom Spike 316 SS (25)

5/8-11 x 8 Hex Cap Screw SS 18-8 (A2)

3/4-16 x 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) 1 1/8-7 Grade 8 Hex Cap Screws Plain - Domestic USA 1/4-28 x 5/8 Grade 53 4 16 x 7 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) . 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