EAN: 4031095100883

SUPERV-DRILLS WITHOUT INTERNAL COOLANT Ø 8500

High-performance drill for drilling into long and short-chipping materials such as structural
and case hardened steels  cast steels  heat-treatable steels and alloyed steels with a tensile
strength of up to 1200 N mm2 including carbon steels  cast iron and high-alloyed AlSi-alloys.
Multi-purpose application (TiAlN nano-coating) in small batch production  where one tool is
used for drilling several different materials. Advantages: Highest speed and feed rates
possible (see application recommendations). High alignment accuracy with small diameter
tolerance and excellent surface finish. Excellent self centring qualities as well as producing
short chips. Pre-conditions for use: powerful machines. No play in spindlebearings. Accurately
aligned toolholders. Max. concentricity error of clamped tools: 0.02 mm. Chatterfree 
mechanical feeds.

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