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

316 series stainless steel differs from 18-8 by its molybdenum content (2-3%) and a higher nickel content (10-14%)

1/2-13 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (300)

9/16-12 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

7/16-14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (275) 3/4-10 Grade 5 Carriage Bolts Zinc Plated 5/16-24 x 1 3/4 Grade7 16 14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (275) . 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