1/2-20 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (150)

7/8-9 x 6 Hex Cap Screw SS 18-8 (A2)

rub rail and molding to fiberglass boat hulls

1/2-13 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (200)

3/4-16 x 8 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (30) 6" Aircraft Bits Cobalt - Wire Gauge 1/2-20 x 3 1/2 Grade3 4 16 x 8 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (30) . 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