- P
- M
- K
- N
- S
- H
BNC2010/BNC2020 GRADE
Coated CBN grades
BNC2010 and BNC2020 are the latest additions to the coated SUMIBORON Series, to provide even better stability and longer tool life for hardened steel machining.
- BNC2010 for high precision
- BNC2020 for general purpose
- High-efficiency machining
- Stable long tool life
Grade Selection
BNC2010 - High Precision
- Excellent surface roughness and dimensional accuracy
- Improved wear resistance thanks to special CBN substrate
- Reduced flank wear thanks to special stable multi-layered coating
- Drastically improved tool life
BNC2020 - General Purpose
- High efficiency and general purpose grade for hardened steel machining
- Tough CBN substrate with highly wear-resistant coating
- Highly adhesive layer for high chipping resistance
- Reliable processes and stable long tool life
