Geometry overview of turning inserts WALTER negative basic shape Finishing Geometry Remarks / field of applications Workpiece material group P M

Geometry overview of turning inserts WALTER negative basic shape Finishing Geometry Remarks / field of applications Workpiece material group P M K N S H O Cut Main cutting edge Cut Corner radius mm f inch mm NF Finishing with wiper technology High surface quality High feed rates .016 .118 .40 3.0 .004 .022 .10 .55 FP5 Finishing steel materials Excellent chip control at low feed rates and on low carbon steels Can also be used in semi-finishing area 19° 0.004 w. 20° 5° .004 .100 0.1 2.5 .0015 .010 .04 .25 NFT Finishing titanium materials Sharp, fully ground circumference cutting edge, first choice 100° corner with roughing geometry implemented with CNMG basic shape .004 .080 .10 2.0 .002 .008 .05 .20 NF4 Finishing stainless materials Finishing alloys with difficult cutting properties Finishing long-chipping steel materials Curved cutting edge for cutting pressure reduction .008 .064 .20 1.6 .002 .008 .05 .20 MP3 Semi-finishing Machining of low carbon steel materials especially forgings Machining long, small diameter shafts Low cutting forces .012 .157 .30 4.0 .003 .016 .08 .40 Medium machining NM Medium machining with wiper technology High surface quality High feed rates .031 .157 .80 4.0 .006 .028 .15 .70 NMT Medium machining of titanium materials Low cutting forces Machining long-chipping steel materials Machining forged parts with small amount of material removal .024 .157 .60 4.0 .005 .013 .12 .32 NMS W Medium machining, especially for high-f temperature alloys (Ni, Co, Fe-based alloys) Precise cutting edge design Alternative to NM4 stainless geometry .020 .157 .50 4.0 .004 .016 .10 .40 NM4 Stainless Universal geometry, stainless materials r Universal geometry, high temperature alloys Machining long-chipping steel .020 .177 .50 4.5 .004 .016 .10 .40 Primary application Other application Comment cross-sections show CNMG 432 120408 ap inch A 444 Valenite Technical information Turning