1/4-28 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (400)

Typical hardness will range from HRB 69-100 and a minimum tensile strength of 60

#1 x 6 High Speed Aircraft Bit Cobalt

1/2-20 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

7/16-14 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (150)

1/4-20 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 1/2-13 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/4-28 x 5 1/2 Grade1 4 20 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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