TimberLOK® Heavy Duty Wood Screws are designed with shear values stronger than 3/8 inch lag screws

1 1/4-7 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8)

3/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (3300)

1/2 x 6 1/2 Mushroom Spike Zinc Plated (25)

1 3/32 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

5/16-24 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (1100) 5/8-18 Hex Cap Screws 18-8 Stainless Steel TimberLOK® Heavy Duty Wood Screws5 16 24 x 1 1 4 Grade 8 Hex Cap Screw Plain Domestic USA (1100). 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