... TiN, TiCN, Al2O3, TiALN4,Application: J55, N80, P110Our Carbide API Inserts are used for machining casings, tubings, leadout pipes, drill ... as well as gas thread for geological applications in standard or special CNC threading turning machines.They feature a ... and convenient clamping, finished teeth ground to a "narrow" API tolerance and excellent cutting performance.The multi-layer-coating inserts ...