h CWhCW T9225T9225 AH7025AH7025 AH725AH725 GH130AH905 GH130 AH8005 NS9530 NS9530 KS05F DTR Profiling and undercutting (for high precision) RE 7˚ INSL Ref. P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice : Second choice H Hard materials Coated Cermet External Designation SeatsizeCW±0.02 RE INSL h Internal DTR300-150 3 3 1.5 20 5 DTR400-200 4 4 2 20 5 DTR478-239 5 4.78 2.39 25 5.5 Face DTR500-250 5 5 2.5 25 5.5 DTR600-300 6 6 3 25 5.5 : Line up Parting DTR Profiling and undercutting RE 7˚ INSL Ref. P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated Cermet Uncoated Designation SeatsizeCW±0.05 RE INSL h DTR3-150 3 3 1.5         20 5 DTR4-200 4 4 2         20 5 DTR5-250 5 5 2.5         25 5.5 DTR6-300 6 6 3       25 5.5 䖃 : Line up Reference pages: Toolholders → 6-12 - 6-16, Standard cutting conditions → 6-26 6-24