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
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
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