9/16-12 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (25)

5/8-18 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

5/8-18 x 6 1/2 Hex Cap Screw SS 18-8 (A2)

1/4-20 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (2200)

Suitable for masonry

3/8-24 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 5/16-18 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 9/16-12 x 6 Grade 53 8 24 x 2 3 4 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