3/8-16 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (800)

1 1/8-12 x 7 Socket Cap Screw Alloy

1/2-20 x 1 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (50)

1-8 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated

3/4-16 x 5 1/2 Socket Cap Screw Alloy

5/8-18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 1/4-20 Grade 8 Hex Cap Screws Plain - Domestic USA 3/8-16 x 1 1/4 Grade5 8 18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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