Drill bit

摘要

The drill bit has a section of the flushing channel(7) opening into the outlet hole formed in such a way that a flushing jet has a rearwards orientated component which with the drill bit axis (2) includes an acute angle of approximately 30 degrees. The drill bit end face is formed closed. The bit has two outlet holes and are circumferentially displaced in relation to each other by about 180 degrees. The bit has at least one radially protruding blade (5,6).