5/16-24 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (850)

3/4-10 x 5 Hex Cap Screw SS 18-8 (A2)

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5/8-11 x 7 Hex Cap Screw SS 316 (A4)

6-32 x 5/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

3/8-24 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 5/16-18 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/16-24 x 1 3/4 Grade3 8 24 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of