our zinc-plated mushroom Spike® anchors included

1/4 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (6200)

1-8 x 4 Grade 5 Hex Cap Screw Zinc Plated

Designed to work with ACQ treated lumber

1/2 x 14 Hex Lag Screw Hot Dipped Galvanized

7/8-14 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (15) Slotted Hex Concrete Screws our zinc-plated mushroom Spike® anchors7 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