CWCW hh T9225T9225 T9125T9125 AH7025AH7025 AH725AH725 GH130GH130 NS9530NS9530 GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex DGIMSmalldiameterinternal grooving A RE 14˚ INSL Ref. B P SteelMStainlessKCast iron C N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated CermetDesignationSeatsizeCW±0.05REINSLh D DGIM2-020 2 2 0.2 z z z z z z 20 5 z: Line up E DGIS Small diameter internal grooving RE F 14˚ INSL Ref. P Steel G M Stainless K Cast iron N Non-ferrousSSuperalloysHHard materials : First choice: Second choice H Coated Cermet Designation Seatsize CW±0.05 RE INSL hDGIS2-020220.2zzzzzz205 I z: Line up J K L M Reference pages: Toolholders → F096 - F097, Standard cutting conditions → F113 Tungaloy F101