GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex AH7025 Cutting performance A First choice grade for grooving application New AH7025 grade - Drastically improved reliability with world’s first coating technology Tool life comparison in grooving Alloy steel B AH7025 Conventional grade (SCM440) Insert : DTE3-040 AH7025Cutting speed : Vc = 150 m/minFeed: f = 0.17 mm/revC Groove depth : 17 mm Machining : External grooving No. of grooving: 60 pcs No. of grooving: 30 pcs Coolant : Wet Allows stable machining without peeling off, evenafter twice the cutting time versus the D conventional grade. → The combination of Nano-multi-layered AlTiN Coating with high Al content and tough substrate provides highly efficient machining in various grooving operations E Grade AH7025 AH725• First recommended grade for general• General purposeT515• First recommended grade for cast F purpose • Newly developed coating with iron • New PVD coating with high Al content well controlled rystal structure and • Exellent wear resistance in high- provides excellent adhesion strength fracture resistance speed machining• Improved wear and chipping• Improved adhesion strengthresistanceG T9225 T9125 NS9530 • Suitable for steel machining at highspeed• New CVD coating and substrate• Suitable for steel machining at high• Advanced cermet for finish cuttingspeed• Innovative grade with incredible• Balance of wear and chippingfracture and high wear resistanceH deliver an outstanding balance resistance • Balance of wear and chipping resistanceGH130 AH905 KS05F I • Recommended for interrupted • Remarkable for machining of heat • Recommended for non-ferrous machining resistant alloy materials • TiCNO PVD coating layer with high • Exclusive coating layer improves • For titaniumwear resistanceadhesion strength and wear• High hardnessresistanceJ TH10 BX360• Recommended for non-ferrous• Suitable for hardened steel machining K materials • Ideal balance of wear and chipping resistance due to the optimum CBN content and grain size L M Tungaloy F197