9/16-18 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/4 x 1 1/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated

8 x 1 5/8 Simpson Fiber-Cement Screws T17 316 SS - Carton (1000)

Pair it with heavy bolts for building bridges

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

1 1/4-12 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20) Strong-Drive SDWH Timber-Hex Screws 316 Stainless Steel 9/16-18 x 4 1/2 Grade1 1 4 12 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20) . 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