The Strong-Drive® SD Connector screw is specifically designed to replace nails in certain Simpson Strong

7/8-9 x 5 1/4 A325 Type 1 Heavy Hex Bolt Plain (35)

Patented 4CUT™ tip that ensures fast starts

22 x 10 Simpson Strong-Drive® SDWS Structural Wood to Wood Timber Screw - Box (50)

1/2-20 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20) F436 Flat Washers Hot Dipped Galvanized The Strong-Drive® SD Connector screw1 2 20 x 8 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