1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1150)

5/16-18 x 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (1950)

3/4-10 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

000 inches

but they’re also vibration- and shock-resistant

5/16-18 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (100) Finished Hex Nuts 316 Stainless Steel 1/2 L9 USS Tension Flatwasher5 16 18 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (100). 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