5/16-18 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1950)

3/8-16 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (3000)

high-strength alternative to through-bolting and traditional lag screws

7/16-20 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125)

7/16-14 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 1/2-13 Socket Cap Screws 18-8 Stainless Steel 5/16-18 x 1/2 Grade 57 16 14 x 1 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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