1/2-13 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

000 psi for Hot-Dip Galvanized nuts

Black Zinc is an acidic

3/8-16 x 5 Phillips Flat Machine Screw Type F Zinc Plated

5/8-18 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (70)

7/16-14 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 3/4-10 A307A Hex Bolts Plain Steel 1/2-13 x 6 Grade 57 16 14 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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