7/16-20 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (550)

5/8-18 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (250)

1/4-28 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (900)

7/16-14 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (125)

7/8-14 x 5 Grade 5 Hex Cap Screw Plain Domestic USA (35)

7/8-14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (55) 1/2-13 A307 Grade A Carriage Bolts Hot Dipped Galvanized 7/16-20 x 1 1/4 Grade7 8 14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (55) . 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