TURNING INSERTS ApplicationLight CuttingMedium Cutting ToleranceM ClassG ClassM ClassG ClassM Class ap (inch)ap (inch)ap (inch)ap (inch)ap (inch)ap (inch)ap (inch)ap (inch)ap (inch) TURNING INSERTS CLASSIFICATION NEGATIVE INSERTS WITH HOLE A Breaker Nameand FeaturesPicture Cross SectionGeometry Alternative chipbreaker for light cutting of carbon steel Carbon Steel·Alloy Steeland alloy steel Flank Double sided chipbreaker. .008"15° Angled chipbreaker controls chip flow. Excellent chip control at low to medium feed rates. f (IPR) SNMG432R1G Light cutting Carbon Steel·Alloy Steel Flank Double sided chipbreaker.Parallel chipbreaker. .010"14° Excellent chip control at low to medium feed rates. f (IPR) TNGG331RK Recommendation for light cutting of Difficult-to-Cut Materials 13° Corner difficult-to-cut materials Double sided chipbreaker.Ideal for heat-resistant alloy and titanium alloy. 9° Flank The sharp edge produces excellent surface finishes. The curved edge allows smooth chip discharge. f (IPR) CNMG432MJ Recommendation for light cutting of difficult-to-cut materials Difficult-to-Cut Materials 13° Corner Double sided chipbreaker, Single sided chipbreaker. G class insert tolerance is suitable for workpieces requiring close dimensional tolerances. 9° Flank Ideal for heat-resistant alloy and titanium alloy. The sharp edge produces excellent surface finishes. f (IPR) CNGG432MJ Alternative breaker for medium cutting of carbonsteel and alloy steel Carbon Steel·Alloy Steel Corner15°.006" Double sided chipbreaker. Suitable for medium to light cutting.Breaker geometry appropriate for copying and back turning. .008" Flank11° Good balance of sharpness and strength. f (IPR) CNMG432MP MM Breaker with high rake angle reduces burrformation Stainless Steel Corner.276.012".1976° Double sided chipbreaker.Simulation analysis technology assisted in the developmentof an optimized cutting edge land geometry, preventing plasticdeformation and extending tool life..118.03910°.012"Flank0.004 .012 .020 .028f (IPR)CNMG432MM MK Recommendation for medium cutting of cast iron Cast Iron Flank Optimum balance between sharpness and high edge strengthfor general use. 15° .010" 3° f (IPR) CNMG432MK GM Alternative chip breaker for light to mediumcutting of stainless steel Stainless Steel Corner25°.020"15° Double sided chipbreaker.Alternate chip breaker to main chip breakers LM and MM. 25° .020" Flank Excellent notch wear resistance for light to medium cutting. 15° f (IPR) CNMG432GM GK Recommendation for rough cutting of cast ironPositive land increases welding resistance and suppresses chipCast Ironwelding and abrasion at low speed cutting.Flank15°.010" f (IPR) CNMG432GK A050