1/4-20 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (800)

9/16-18 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

7/8 x 12 High Speed Long Boy (1/2" Shank)

3/8-16 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

1/2-20 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300)

3/4-10 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (120) 3/4-10 Flat Socket Cap Screws Alloy 1/4-20 x 3 L9 Hex3 4 10 x 1 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (120) . 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