1/2-13 x 18 6 A307A Hex Bolt Zinc Plated

1-14 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10)

7/8-9 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15)

1-14 x 2 1/2 Socket Set Screw Cup Point Alloy

5/8-18 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (315)

3/4-16 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (140) 6" Aircraft Bits - Fractional 1/2-13 x 18 6 A307A3 4 16 x 1 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (140) . 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