CBN (cubic boron nitride) inserts are the first choice for machining hardened steel . SMT offers different CBN grades to suit your applications. Single-edge, multi-edge, full top and full CBN are available for your choice.
For machining hardened steel at continuous cutting condition
For machining hardened steel at interrupted cutting machining
For hardened steel at continuous cutting machining, machining grey
casting, also for interrupted cutting
SMT has many more grades available on stocks for your applications.