1/2-13 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

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7/16-20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (650)

1 1/4-7 x 8 Flat Socket Cap Screw Alloy

3/8-24 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (250) 1/2 Dowel Pins Alloy Steel 1/2-13 x 3 1/2 L93 8 24 x 4 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 on