Mikron's CrazyDrill Cool SST-Inox is a new twist drill type for stainless steels, nickel-based superalloys (such as Inconel or Hastelloy) and CrCo-alloys, available in the diameter range from .039" to .236" and for drilling depths from 6 x d to 20 x d.
The new chip flute profile is divided into two areas: a front chip flute area with a special chip breaker shape ensures compact, short and curved chips; a rear chip flute area with extended flute shape ensures perfect chip removal.
The tungsten carbide drill is designed with internal helicoidally arranged cooling channels which bring up to four times more coolant volume to the drill tip. The new cooling system, the new design of tip and flute as well as the innovative coating enable drilling in one single step up to a drilling depth of 20 x d with high performance in terms of quality, tool life and machining time.
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