7/8-9 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (15)

5/16-18 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1/4-20 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (100)

5/8-11 x 3 3/4 Hex Cap Screw SS 18-8 (A2)

5/16-18 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250) 10-32 Socket Cap Screws Alloy 7/8-9 x 5 1/2 Grade5 16 18 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250) . 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