5/8-18 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (65)

7/8-9 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (40)

Low-profile head

Good for exterior and most marine applications

1 1/8-7 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) 1/2-20 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/8-18 x 6 Grade 81 1 8 7 x 2 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (70) . 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