5/16-18 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (250)

7/16-20 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (400)

low temperature powdered product developed to impart a black conversion coating of zinc die casting

7/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (350)

1 1/2-6 x 3 1/2 Socket Cap Screw Alloy

1/2-13 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (50) 1/2-20 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/16-18 x 5 Grade 81 2 13 x 2 Grade 8 Hex Cap Screw Plain 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 diameters 1 4 to 2