5/8-18 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (250)

1/4-20 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

9/16-18 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (150)

3/8-24 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/4-16 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (125) Titen HD® Heavy Duty Screw Anchors Zinc Plated 5/8-18 x 1 Grade 53 4 16 x 1 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (125) . 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