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Tool holding

CoroGrip® CoroChuck™ 930


Productivity is not only influenced by grade and geometry, but also by the tool holding and the ability to clamp securely and precisely. For best stability and hole quality, use Coromant Capto coupling or CoroChuck 930 chucks. Always use the shortest possible drill and overhang.

Coromant Capto is the only modular tooling system designed for all metal cutting operations, including all hole making methods. The same cutting tools and adaptors can be used in different applications and machines. This makes it possible to standardize, using one tooling system for the entire machine shop.

Precision chucks suitable for solid carbide drills.


​Tool run-out

Minimum tool run-out is essential for successful drilling. The run-out should not exceed the values in the figures at the left. Alignment must be parallel for:

  • close hole tolerance and straightness
  • good surface finish
  • long and consistent tool life


Solid carbide drill

CoroDrill 880
Drill run-out and alignment are very important for sucessful drilling.

CoroDrill 870

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