5/16-18 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

7/8-9 x 4 1/2 Socket Cap Screw Alloy

Manufactured to NAS 907 Type J specifications Heavy duty construction for portable or machine drilling For use in drilling in high tensile strength alloy steels

1-8 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35)

1 1/2-12 x 7 Socket Cap Screw Alloy

5/16-18 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) 1 1/8-7 Socket Cap Screws Alloy 5/16-18 x 1 Grade 85 16 18 x 5 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) . 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