3/4-10 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (150)

9/16-12 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (125)

1/2-20 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

and ASTM F606 1990

5/8-18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Phillips Bugle Decking Screws Yellow Zinc Plated 3/4-10 x 1 Grade 55 8 18 x 2 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