2 1/2" length for 2 x 4 wood header

3/8-16 x 4 Flat Sleeve Anchor Zinc Plated (50)

Conform to DIN 912

1/4 x 12 ITM SDS Plus eVolution™ Hammer Drill Bit

9/16-12 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8 Hex Lag Screws Hot Dipped Galvanized 2 1/2" length for 29 16 12 x 5 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated 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