Insoll Tools PCBN Inserts (Tipped CBN Inserts) are effectively applied in many industries, eg: automotive and bearing industry. 3 grades are supplied: ITS700, ITS750, ITS950. ITS700-for high speed machining grey cast iron. Roughing/semi-finishing light interrupted cutting. ITS750-for roughing and semi-finishing cast iron. ITS950-for continuous roughing and semi-finishing cutting high hard steel (HRC45-65). Because of its thoroughly brazed solid corner, Insoll Tools PCBN inserts series with many advantages: More flexible clamping methods; Higher machining precision; More cutting edges.