8 x 1 Simpson Flat-Head Marine Screw - Phillips Drive 316 SS - Box (100)

meets or exceeds ASTM F835

1 1/2-12 x 4 1/2 Socket Cap Screw Alloy

5/16-24 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

5/16-18 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) USS Flat Washers Plain 8 x 1 Simpson Flat-Head5 16 18 x 3 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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