® Thread Turning Inserts NPS EXTERNAL INTERNAL Pitch L I.C. Ordering Code Ordering Code X Y TPI mm Right Hand Left Hand Right Hand Left Hand 18 16 3/8 16 ER 18 NPS 16 EL 18 NPS 16 IR 18 NPS 16 IL 18 NPS 0.8 1 14 16 3/8 16 ER 14 NPS 16 EL 14 NPS 16 IR 14 NPS 16 IL 14 NPS 1 1.3 11.5 16 3/8 16 ER 11.5 NPS 16 EL 11.5 NPS 16 IR 11.5 NPS 16 IL 11.5 NPS 1 1.5 8 16 3/8 16 ER 8 NPS 16 EL 8 NPS 16 IR 8 NPS 16 IL 8 NPS 1.3 1.8 Order example: 16 ER 18 NPS BMA NPSM EXTERNAL INTERNAL Pitch L I.C. Ordering Code X Y Ordering Code X Y TPI mm Right Hand Right Hand 18 8 3/16 08 IR 18 NPSM 0.7 0.7 18 11 1/4 11 IR 18 NPSM 0.8 1.0 18 16 3/8 16 ER 18 NPSM 0.8 1.0 14 16 3/8 16 ER 14 NPSM 1.0 1.2 16 IR 14 NPSM 1.0 1.2 11.5 16 3/8 16 ER 11.5 NPSM 1.2 1.5 16 IR 11.5 NPSM 1.2 1.5 8 16 3/8 16 ER 8 NPSM 1.3 1.6 16 IR 8 NPSM 1.2 1.5 Order example: 16 IR 14 NPSM MXC For carbide grade and cutting speed see page A04-2 and 3 A01-36