5/8-18 x 1 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (255)

5/8-11 x 3 1/4 A325 Type 1 Heavy Hex Bolt Plain (150)

1/2-20 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

5/8-18 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/4-10 x 3 1/2 Socket Cap Screw Zinc

1-14 x 1 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) 1/2-13 A325 Type 1 Heavy Hex Bolts Hot Dipped Galvanized 5/8-18 x 1 1/2 L91 14 x 1 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) . 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