3/8-16 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

5/8-18 x 4 Socket Cap Screw Alloy

9/16-18 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (125)

3/8-16 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400)

7/16-14 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (350) M18-2.50 Socket Cap Screws 12.9 Alloy Plain DIN 912 3/8-16 x 3 1/2 Grade7 16 14 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (350) . 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