#1 x 6 High Speed Aircraft Bit Cobalt

1/4-20 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (1600)

15/32 Heavy Duty Jobber Drill Bit

5/16-24 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (400)

3/8-24 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50) 9/16-18 Socket Cap Screws Alloy #1 x 6 High Speed3 8 24 x 5 1 2 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