Manufactured from 18-8 stainless steel

1/2-13 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (375)

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

5/8-11 x 10 Simpson Wedge Anchor 303 SS (10)

1/4-28 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1900)

7/8-9 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (60) Phillips Flat Undercut Machine Screws Black Zinc Plated Manufactured from 18-8 stainless steel7 8 9 x 2 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (60) . 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