#30 x 6 High Speed Aircraft Bit Cobalt

1-14 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

5/8-18 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1-8 x 4 1/2 Socket Set Screw Cup Point Alloy

Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel

3/8-24 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 3/4-16 Grade 5 Hex Cap Screws Zinc Plated #30 x 6 High Speed3 8 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