3/4-10 x 8 A307 Grade A Carriage Bolt Zinc Plated

On diameters over 2 1/2 inches

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9/16-12 x 3 1/4 Socket Cap Screw Alloy

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3/4-16 x 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Slotted Hex Nuts 3/4-10 x 8 A307 Grade3 4 16 x 7 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated . Grade 8 Hex Cap Screws are manufactured 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 diameters 1 4 to 2 1 2 inches