57/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

3/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (100)

#6 Heavy Duty Drill Bit - Stubby Length

Industrial quality

1-14 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (55)

5/16-18 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (550) Grade 2 Finished Hex Nuts Zinc Plated 57/64 x 6 Reduced Shank5 16 18 x 2 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (550) . 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