LedgerLOK® is approved in ACQ pressure treated lumber

1 1/2-12 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (5)

3/4-16 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

7 x 1 5/8 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (5000)

1-8 x 5 1/2 Hex Cap Screw SS 18-8 (A2)

5/8-18 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (25) Flat Washers 18-8 Stainless Steel LedgerLOK® is approved in ACQ5 8 18 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (25). 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 2