Turning Geometry overview of turning inserts WALTER positive basic shape Finishing Geometry Remarks / field of applications Workpiece material gr

Turning Geometry overview of turning inserts WALTER positive 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 a Wiper PF Finishing with wiper technology High surface quality High feed rates .012 .118 .30 3.0 .005 .024 .12 .60 PF2 Finishing insert with fully ground circumference Long, small diameter shafts with vibration tendency Low cutting forces .005 .177 .12 4.5 .0008 .018 .02 4.5 PF4 Finishing insert Outstanding chip control Can also be used for precision boring .004 .197 .10 5.0 .0016 .016 .04 .40 PF5 Finishing insert with fully ground circumference Can also be used for precision boring Extremely narrow chip breaker groove .004 .157 .10 4.0 .0016 .014 .04 .35 PS5 Semifinishing Universal insert for finishing up to medium machining Can also be used for counterboring .012 .100 .30 2.5 .003 .015 .08 .32 Medium machining nl Wiper PM Finishing with wiper technology High surface quality High feed rates .020 .157 .50 4.0 .005 .024 .12 .60 PM2 Universal insert for non-ferrous materials Sharp cutting edge with fully ground circumference Polished rake face Precision finishing on steel and stainless materials .020 .236 .50 6.0 .0008 .031 .02 .80 PM5 Universal geometry, medium machining to roughing Extremely large chip breaking area .024 .197 .60 5.0 .005 .020 .12 .50 Primary application Other application Comment cross sections show CCMT 3(2.5)2 09T308 or CCGT 3(2.5)2 09T308 ap inch A 448 WALTER Valenite Technical information