9/16-12 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1 1/4-7 x 16 Socket Cap Screw Alloy

9/16 x 18 High Speed Long Boy (1/2" Shank)

2 1/2" length for 2 x 4 wood header

3/4-10 x 2 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (120)

9/16-12 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (150) 1/2 Hex Lag Screws Zinc Plated 9/16-12 x 1 L9 Hex9 16 12 x 2 3 4 Grade 8 Hex Cap Screw Plain Domestic USA (150). 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 diameters 1