Designed to work with ACQ treated lumber

5/8-11 x 4 1/2 Flat Socket Cap Screw Alloy

1-14 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (180)

1 1/8-7 x 5 1/2 Socket Cap Screw Alloy

5/16-24 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (1000)

7/8-14 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (15) Slotted Hex Concrete Screws Designed to work with ACQ7 8 14 x 5 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (15). 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