1/2-13 x 2 3/4 A325 Type 1 Heavy Hex Bolt Plain (250)

5/16-18 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

5/8-11 x 4 Socket Cap Screw Zinc

1 1/2-6 x 2 x 4 A563 Grade A Hex Coupling Nut ZInc Plated

10 x 3 1/2 Square Bugle Decking Screws W

1/4-28 x 3/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (3300) 1/2-13 A325 Type 1 Heavy Hex Bolts Hot Dipped Galvanized 1/2-13 x 2 3/4 A3251 4 28 x 3 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (3300) . 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