1-8 x 10 1/2 A307A Hex Bolt Plain Steel

7/8-9 x 2 3/4 A325 Type 1 Heavy Hex Bolt Plain (75)

9/16-12 x 1 1/4 Socket Cap Screw Alloy

1/4-28 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (750)

7/8-14 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) 7/8-9 A307A Hex Bolts Zinc Plated 1-8 x 10 1/2 A307A7 8 14 x 3 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) . 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