fit and elongation

1/2-20 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/2-13 x 5 Hex Cap Screw SS 316 (A4)

1-14 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

1/2-20 x 6 1/2 Hex Cap Screw SS 316 (A4)

1/2-20 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) F436 Flat Washers Plain fit and elongation1 2 20 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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