McMaster 8856A56 Uncoated Cobalt Steel Drill Bit Set 21 Pieces 31MH97 Pipe Size: 2"- 12"

Pipe Size: 2"- 12"

Flash Point Greater than 212 Degrees F Adheres To Concrete Characteristics Non-Flammable

(2) Extension 8"

15 lb/in Common Industry Assembly & Manufacturing

McMaster 8856A56 Uncoated Cobalt Steel Drill Bit Set 21 Pieces 31MH97 Pipe Size: 2"- 12"Tough and wear resistant, cobalt steel bits last at least twice as long as high speed steel. They can also run up to 25% faster at higher temperatures without being damaged on hard materials, such as nickel. Jobbers' LengthThese bits have the balance of rigidity and length needed for most applications. UncoatedPolished to eject chips, these are also known as bright finish bits. Material Cobalt Steel Length Class Jobbers Finish Uncoated Number of