480 inches

1/2-13 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

3/4-10 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (60)

8 x 1 5/8 Phillips Flat w/ Nibs Self Drilling Cement Board Screws w/ Wings Ruspert Coated - Carton (4000)

1/2-13 x 1 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (50)

5/16-24 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 7/16-14 Socket Set Screws Cup Point Alloy 480 inches5 16 24 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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