1/4-20 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

5/16-24 x 5/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1800)

providing adequate bearing surface for nearly all applications

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

7/16-14 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (350) 1 1/4-7 A307A Hex Bolts Hot Dipped Galvanized 1/4-20 x 2 Grade 57 16 14 x 2 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (350) . 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