1/2-20 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) Strong-Drive SDWH Timber-Hex Screws Double-Barrier Coated 6-lobe drive prevents driver bit

6-lobe drive prevents driver bit cam-out and stripping in recess

7/16-20 x 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (750)

9/16-12 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (50)

1/2-20 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) Strong-Drive SDWH Timber-Hex Screws Double-Barrier Coated 6-lobe drive prevents driver bit1 2 20 x 2 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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