1/4-28 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1000)

#32 x 6 High Speed Aircraft Bit Cobalt

7/16-14 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

9/16 x 6 Reduced Shank Drill Bit (3/8 Shank)

9/16-18 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) SDS Max Hammer Drill Bits 1/4-28 x 2 1/4 Grade9 16 18 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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