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

5/8-18 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

2 1/4-8 A194 2H Heavy Hex Nut Plain

1-8 x 4 1/4 A325 Type 1 Heavy Hex Bolt Plain (35)

3/8-16 x 3 1/2 Hex Tap Bolt Silicon Bronze

7/8-9 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (65) Hex Washer Head Metal-Panel Screws 316 Stainless Steel with EPDM Washer 2 1/2" length for 27 8 9 x 2 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (65) . 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