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CoroBore® 820 is your first choice for rough boring. The comprehensive program of tool bodies, slides, shims and cutting inserts allow CoroBore 820 to be configured to suit the widest possible range of applications. The same programme can be utilized for productive boring, step boring and single edge boring. The system consists of adaptors with matching slides, shims and covers, making it possible to adapt the tool to various materials and conditions.
A new generation of rough boring tools is available. For our latest boring solution within the same application area as CoroBore 820, see CoroBore BR30.
Positive inserts
CoroTurn 107 screw clamping
T-Max P, CoroTurn RC rigid clamping
*H13A for Ti-based ISO S-materials** For recommendation on fine boring in ISO H material, see technical guide, General turning.Note: Grade recommendations are valid for average conditionsFor recommendations on when an alternative grade should be used, se below:
*GC3210 Nodular cast iron, GC3205 Gray cast ironCutting data recommendations see main catalogue.
Bending stiffness and torque transmissions are the most important factors when choosing a tool holder for boring operations. For best stability and hole quality use Coromant Capto coupling or Hydrogrip holding tools.
Coromant Capto coupling 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 on one tooling system for the entire workshop. Remember the following:
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