Star drive prevents cam out and stripping for improved drivability

5/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (4200)

1-14 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

nylon will begin to deteriorate at temperatures of 150°-350°F so they are not recommended for high temperature service

1/2-20 x 6 Hex Cap Screw SS 316 (A4)

9/16-18 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (175) 7/16-14 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA Star drive prevents cam out9 16 18 x 2 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (175). 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