1/4-20 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

9/16-18 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (225)

engineered for specific home construction applications

7/16-14 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225)

33/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

5/8-18 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (90) 1/4-20 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 1/4-20 x 2 1/2 Grade5 8 18 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (90) . 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