1/4-28 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1/4-28 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (750)

1/2-20 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

9/16-12 x 2 1/2 Hex Cap Screw SS 316 (A4)

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1/2-20 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300) 1-8 Socket Cap Screws Alloy 1/4-28 x 3 Grade 51 2 20 x 1 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300) . 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