hh CWCW T9225T9225 AH7025AH7025 AH725AH725 GH130GH130 NS9530 NS9530 GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingEndmillDrilling ToolTechnical Reference DTE External face grooving and turning RE 1 7˚ INSL Ref. P SteelMStainlessKCast iron 2 N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated Cermet Designation Seatsize CW±0.05 RE INSL h 3 DTE3-020 3 3 0.2  20 5 DTE3-040 3 3 0.4      20 5 DTE4-040 4 4 0.4      20 5 DTE4-080 4 4 0.8  20 5 DTE5-040 5 5 0.4  25 5.5 DTE5-080 5 5 0.8 DTE6-080660.8 25 5.5255.5 4 䖃㻌: Line up DTXExternal/Internalfacegrooving and turningRE 5 7˚ INSL Ref. P Steel 6 M Stainless K Cast iron N Non-ferrous S Superalloys : First choice : Second choice H Hard materials Coated CermetDesignationSeatsizeCW±0.05REINSLh 7 DTX3-030 3 3 0.3 20 5 DTX4-040 4 4 0.4 20 5 DTX5-040 5 5 0.4 25 5.5 DTX6-080 6 6 0.8 25 5: Line up 8 9 Reference pages: Toolholders → 6-12 - 6-16, Standard cutting conditions → 6-26 6-23