Technical Information for Turning Tiny Tool H Turning tiny tool code system Main code Insert size Type of Hand of Process Thread Cutting edge Carbide Grades operation Insert Depth Figure Profile Main Code Insert Size Type of operation B=Boring BP=Profiling & Boring BB=Back Boring BF=Chamfering TT = Tiny Tool 010: 1.0mm 015: 1.5mm 020: 2.0mm030: 3.0mm040: 4.0mm050: 5.0mm060: 6.0mm070: 7.0mm080: 8.0mmBT=FaceCutingBC=CopyingBW=Chamfering & ProfilingG=Square Grooving 100: 10.0mm 0XX: Special size GR=Round Grooving GF=Face Grooving GRF=Round Face Grooving T=Threading TD=Threading Relief Hand of Insert Process Figure Boring: Nose radius Grooving: Grooving width Threading: Partial profile: F60 R = Right hand styleL = Left hand style 05: 5.0mm 10: 10.0mm 15: 15.0mm A60 or A5520: 20.0mm25: 25.0mm30: 30.0mmAG60 or Ag5521435: 35.0mmFull profile:ISO MetricAmerican UN TarpezDIN 103 ACME Thread Profile Cutting Edge Carbide Grades ISO - ISO Metric UN - American UN (UNC, UNF, UNEF, UNS)ACME - ACMENone:Single ended 2:Double ended TTIP30 TTIM45 TTIS30 TR - Tarpez DIN103