The Milwaukee 48-89-2731 25/64 in. Thunderbolt Black compound bit is a superb alternative for drilling on sinuous surfaces. This bit options black compound construction and a parabolic flute type to clear chips and dust to stay the bit cool. The thick core provides protection against side-load breakage, and this bit is suggested to be used with moveable drills.
Thunderbolt internet, provides longer life and quicker driller times
Parabolic flute, clears chips quicker
Black compound construction for sturdiness
135?? split purpose, exactitude begin no walking