17/64 x 6 High Speed Aircraft Bit

7/8-9 x 6 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (30)

#36 Heavy Duty Drill Bit - Stubby Length

3/8 x 6 High Speed Aircraft Bit

1/2-20 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

3/4-16 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (140) 5/8-18 Grade 5 Hex Cap Screws Plain - Domestic USA 17/64 x 6 High Speed3 4 16 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (140) . 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