5/16-24 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1/2-13 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

5/16-18 x 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (2625)

1-14 x 1 1/2 Socket Set Screw Cup Point Alloy

9/16-12 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Premium SDS Plus Hammer Drill Bits 5/16-24 x 1 1/2 Grade9 16 12 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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