1/4-28 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (2200)

1/4 x 2 Mushroom Spike Zinc Plated (100)

Typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39

The deep cutting

Conform to ASTM F837

3/8-16 x 3 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (50) 1/2-13 Grade 8 Hex Cap Screws Yellow Zinc Plated 1/4-28 x 1 Grade 53 8 16 x 3 1 4 Grade 5 Hex Cap Screw Plain 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 of