7/16-14 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225)

9/16-18 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/2-20 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (475)

5/8-11 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

9/16-18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) SDS Plus eVolution Hammer Drill Bits 7/16-14 x 3 3/4 Grade9 16 18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) . 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