5/16-24 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (600)

1-8 x 2 1/2 Flat Socket Cap Screw Alloy

3/8-24 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (225)

1/4-28 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

Special tungsten carbide tip

5/16-24 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300) M12-1.75 Socket Cap Screws 12.9 Alloy Plain DIN 912 5/16-24 x 2 1/2 Grade5 16 24 x 4 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