276 x 6 Simpson Strong-Drive® SDWH Timber-Hex Screw 316 Stainless Steel - Box (50)

Use with stable woods and wood substitutes when screw heads need to be hidden

5/8-18 x 4 Flat Socket Cap Screw Alloy

3/4-16 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

5/16 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (100)

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 276 x 6 Simpson Strong-Drive®1 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