MTECB-NPT : Solid carbide threading end mill with internal coolant holes for internal or extenal NPT threads
  DesignationTPINPTdDapLFluteShankGICATGIREMgiicGrade
  MTECB 16155D2214NPT 14.01/2-3/4 16.0015.5022.70105.004C 6214502 1TT9030 
  MTECB 08076C1027NPT 27.01/8 8.007.6010.8064.003C 6214501 1TT9030