TURNING INSERTS ApplicationFinish Cutting ToleranceM ClassG 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 FP For finish cutting of steel Carbon Steel·Alloy Steel CornerOffers good chip control in wide cutting conditions20° Stable chip control in wide range. Available to both general and low carbon steel cuttings. 20° Flank A good surface finish through the 20° positive high rake angle. f (IPR) CNMG432FP Recommendation for finishing carbon steel,alloy steel and stainless steel Carbon Steel·Alloy Steel Corner12° Double sided chipbreaker.Stable chip control even at small depth of cut. 12° Flank f (IPR) CNMG432FH Alternative breaker for finishing mild steel Mild Steel Corner16° Double sided chipbreaker. Stable chip control even at small depth of cut. Flank Sharp edge gives best performance. 8° f (IPR) CNMG432FS Recommendation for finishing mild steel Mild Steel Corner15° Double sided chipbreaker. Effectively controls chips. Flank Suitable for mild steel finishing. 15° .008" f (IPR) CNMG432FY Recommendation for finishing difficult-to-cut Difficult-to-Cut Materials 14° Corner materials Double sided chipbreaker. Flank Ideal for heat-resistant alloy. 9° The sharp edge produces good cutting surface. The curved edge allows smooth chip discharge. f (IPR) CNGG431FJ Recommendation for finishing titanium alloy Titanium alloy Corner14° Double sided chipbreaker. Ideal for aluminum and copper.The sharp edge produces excellent surface finishes. 9° Flank The curved edge allows smooth chip discharge. The polished insert face prevents built up edge. f (IPR) CNGG431FJ-P Alternative breaker for finishing carbon steel and Carbon Steel·Alloy Steel 15° Corner alloy steel Double sided chipbreaker.G class insert tolerance is suitable for workpieces requiring close 15° Flank dimensional tolerances. Stable chip control even at small depth of cut. f (IPR) CNGG431PK Precise finishing Carbon Steel·Alloy Steel Flank Double sided chipbreaker. A narrow angled chipbreaker for good control. 14° The sharp edge produces a good surface finish. f (IPR) TNGG331RFS Finishing Carbon Steel·Alloy Steel Flank Double sided chipbreaker. Angled chipbreaker controls chip flow. 14° The sharp edge produces a good chip discharge. f (IPR) TNGG331RF A046