MTEC-NPTF : Solid carbide threading end mills for internal or external NPTF threads
  DesignationTPINPTFdDapFluteShankLGICATGIREMgiicGrade
  MTEC 1212D20 14NPTF 14.01/2-3/4 12.0012.0020.904C 84.006346383 1TT9030 
  MTEC 0808C14 18NPTF 18.01/4-3/8 8.008.0014.803C 64.006342480 1TT9030 
  MTEC 0606C9 27 NPTF 27.01/8 6.006.009.903C 58.006344774 1TT9030