Phosphorus: Maximum 0

1/2-13 x 3 Hex Tap Bolt Silicon Bronze

5/16-24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (4000)

14 x 4 TimberLOK® Heavy Duty Wood Screw (12)

1/2-20 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (100) 1 1/2-12 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA Phosphorus: Maximum 01 2 20 x 6 Grade 8 Hex Cap Screw Plain 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 diameters 1 4 to