Oversized washer head and increased thread combine for dramatically increased pull-down for warped and twisted logs

1/4-20 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (100)

5/8-11 x 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/16 x 1 Mushroom Spike Zinc Plated (100)

1/2 x 5 Titen HD Concrete Anchor Mech Galvanized (20)

5/16-18 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (50) Drop-In Anchor Setting Tools - Clearance Oversized washer head and increased5 16 18 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (50). 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