® CMT Vertical Milling Partial Profile 55˚ - BSP(G), BSF, BSW Same insert for internal and external thread CuttingDDiameter InsertType Ordering Code PitchRangeTPI D Thread Dia. (min) Holder Code* C10 C10 G55 19-14 10.0 Ø ≥ 13 H1, 2, 15, 17 C12 C12 G55 28-19 12.0 Ø ≥ 14 H3, 3.1, 4, 5, 18, 19,20 C12 N55 14-11 12.2 Ø ≥ 16 H3, 4, 5,18, 20 C18 C18 G55 14-8 18.0 Ø ≥ 23 H5.1, 5.2, 21 C25 C25 N55 7-5 25.0 Ø ≥ 31 H10, 11, 24, 25 Partial Profile 55˚ - BSP(G), BSF, BSW Same insert for internal and external thread Multi Flute CuttingDDiameter InsertType Ordering Code Pitch RangeTPI D No. ofFlutes Thread Dia (min) Holder Code* S17 S170 F G55 11-8 17.0 6 Ø ≥ 18.5 H3, 3.1, 4,5, 18, 19, 20 S20 S195 F G55S200 D N55 14 19.5 68-620.04 Ø ≥ 23 H5.1, 5.2, 6, 7,Ø ≥ 258, 9, 21, 22, 23 * For complete toolholder description see pages B07-22 and 23 B07-7