#2 square drive wafer head

3/4 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (475)

7/8-9 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (15)

3/4-10 x 11 A307A Hex Bolt Zinc Plated

7/16-20 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (175)

5/16-18 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (500) 5/8-11 Button Socket Cap Screws Alloy #2 square drive wafer head5 16 18 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (500) . 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