5/8-11 x 3 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

7/16-14 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (150)

Finished Hex Nuts in 18-8 stainless steel are for use with stainless steel bolts or screws with a specified minimum tensile strength equal or less than the specified proof stress of the mating nut

1 1/8-7 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/8-16 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

1/2-13 x 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (80) 9/16-12 Grade 5 Hex Cap Screws Plain - Domestic USA 5/8-11 x 3 3/4 Grade1 2 13 x 7 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (80) . 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