1/4-28 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

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5/16-18 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 3/4-10 A307 Grade A Carriage Bolts Zinc Plated 1/4-28 x 3 Grade 85 16 18 x 5 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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