MTECQ-ISO : Solid carbide internal threading end mills with coolant holes & reduced diameter neck for deep internal ISO metric threads
  DesignationTPIT.SizedDapHLFluteGICATGIREMgiicGrade
  MTECQ 1010D32 1.0ISO 1.0>=12 10.0010.0018.0032.0073.0046346328 1TT9030 
  MTECQ 1212D38 1.0ISO 1.0>=14 12.0012.0021.0038.0084.0066342602 1TT9030 
  MTECQ 1010D30 1.5ISO 1.5>=13 10.0010.0018.0030.0073.0046342603 1TT9030 
  MTECQ 2020F56 2.0ISO 2.0>=24 20.0020.0034.0056.00105.0066342604 1TT9030 
  MTECQ 2525D64 4.0ISO 4.0>=32 25.0025.0040.0064.00105.0046346389 1TT9030