TURNING INSERTS ApplicationFinish CuttingLight CuttingMedium Cutting ToleranceG ClassM ClassE ClassG ClassM ClassM Class ap (inch)ap (inch)ap (inch)ap (mm)ap (mm)ap (inch)ap (inch)ap (inch)ap (inch) TURNING INSERTS CLASSIFICATION 11° POSITIVE INSERTS WITH HOLE A Breaker Nameand FeaturesPicture Cross SectionGeometry Chipbreaker for finishing Carbon Steel·Alloy Steel Flank Lead chipbreaker controls chip flow. Good chip control for low to medium feed rates. 10° f (IPR) TPGX1.81.51R Standard Finishing aluminum alloy Aluminum Alloy Flank Lead chipbreaker controls chip flow. Good chip control for low to medium feed rates. 25° f (IPR) CPGT321 Finishing Carbon Steel·Alloy Steel Flank Angled chipbreaker controls chip flow. Good chip control for low to medium feed rates. 10° f (IPR) TPMX1.81.51L Finishing Carbon Steel·Alloy Steel Flank Lead chipbreaker controls chip flow. Sharp cutting edge produces excellent surface finishes. f (IPR) VPET1.51.50.2RSRF Medium cutting for Swiss style lathes machining Carbon Steel·Alloy Steel Corner 3D molded chipbreaker provides good chip control. G class insert gives sharp cutting action, allowing Flank high precision machining. 11° Breaker geometry appropriate for copying and back turning. M = minus radius tolerance f (IPR) VPGT1.51.50.2MSMG Recommendation for light cutting of carbon steel, Carbon Steel·Alloy Steel Corner alloy steel, mild steel, stainless steel and cast iron The double breaker design promotes chip discharge for mild steeland low depth of cut machining applications. Flank f (IPR) CPMH32.51SV Standard Alternative chipbreaker for medium cutting of carbon steel,alloy steel and stainless steelCarbon Steel·Alloy Steel Corner Standard, general purpose chipbreaker. Flank f (IPR) CPMX321 Recommendation for medium cutting of carbon steel, Carbon Steel·Alloy Steel Corner alloy steel, mild steel, stainless steel and cast iron A positive land and the high rake angle provides sharp cutting edge performance. Flank Double breakers in the rake face achieve a wide range of chip control. f (IPR) CPMH321MV Medium cutting of carbon steel, alloy steel and Copper Corner stainless steel Can be used under a wide range of cutting conditions. Flank f (IPR) CPMT32.51MQ A074