CW±0.05 CW±0.05CW±0.05CW±0.05CW±0.05 2°2°2°2°2゜2゜2°2°2°2° S2°2°SS2°2°S SSS2°2°CW±0.05SS2°2°CW±0.05 CW±0.05CW±0.05 No. of edges CVDCR9025 PR915 PR930 KW10 CermetTN90 Applicable toolholder Grooving External grooving Blade and toolholder KGDS-S GMM/GMN/GMR Carbon steel / Alloy steel P Q O P Stainless steel Q P M Cast iron Q K Non-ferrous metals Q N Titanium alloy Q S Hard materials (~40 HRC) O N H Hard materials (40 HRC ~) Dimension (mm) Angle (°) Tolerance Carbide Insert Description PVD - -CWSREINSLPSIRR/LCWmin.CWmax. GMM 1520-MT 021.54.30.0520 - 0.05 + 0.05 U UU RE 0 U U GMM 2020-MTINSLRE 2 2 4.3 0.05 20 - 0.05 + 0.05 U U 0 U U GMM 2520-MTSharp cutting oriented2 2.5 4.3 0.05 200 - 0.05 + 0.05 U U UGMM3020-MT234.30.0520- 0.05+ 0.05UU G GMM 1520-NB 2 1.5 4.3 0 20 - 0.05 + 0.05 U U RE INSL RE GMM 2020-NB 2 2 4.3 0 20 - 0.05 + 0.05 U U GMM 2520-NB 2 2.5 4.3 0 20 - 0.05 + 0.05 U Sharp cutting oriented / Without Chipbreaker GMM 3020-NB 2 3 4.3 0 20 - 0.05 + 0.05 U GMM 2020-TK 2 2.0 4.3 0.2 20 - 0.05 + 0.05 U U U RE G45-G47 INSL GMM 2520-TK 2 2.5 4.3 0.2 20 - 0.05 + 0.05 U U U Deep Grooving / Cut-off GMM 3020-TK 2 3.0 4.3 0.25 20 - 0.05 + 0.05 U U U U Stability Oriented GMN 2-TK 1 2 4.3 0.2 20 - 0.05 + 0.05 U U U INSL RE GMN 3-TK 1 3 4.3 0.25 20 - 0.05 + 0.05 U U U U 1-edge / Stability oriented GMN 4-TK 1 4 4.3 0.3 20 - 0.05 + 0.05 U U U U GMN2.2 GMN 2.2 1 2.2 4.3 0.17 20 - 0.05 + 0.05 U U U U GMN 3 1 3 4.3 0.2 20 - 0.05 + 0.05 U U U U INSL RE GMN 4 1 4 4.3 0.25 20 - 0.05 + 0.05 U U U U GMN 5 1 5 4.3 0.8 20 - 0.05 + 0.05 U U U 1-edge GMN 6 1 6 4.3 0.8 20 - 0.05 + 0.05 U U U R L R L R L R L R L GMM 1520&-MT-15D 021.54.320 15 - 0.05 + 0.05 U U 0.05 U PSIRR 0 U U U GMM 2020&-MT-15D 2 2 4.3 20 15 - 0.05 + 0.05 INSL RE 0.05 U U 0 U GMM 2520&-MT-15D 2 2.5 4.3 20 15 - 0.05 + 0.05 Sharp cutting oriented 0.05 U GMM 3020&-MT-15D 2 034.3 20 15 - 0.05 + 0.05 U U U U 0.05 U U PSIRR GMM 2020R-TK-8D 2 2 4.3 0.2 20 8 - 0.05 + 0.05 U U U INSL RE GMM 2520R-TK-8D 2 2.5 4.3 0.2 20 8 - 0.05 + 0.05 U G45-G47 Stability oriented GMM 3020R-TK-8D 2 3 4.3 0.25 20 8 - 0.05 + 0.05 U U U PSIRR GMR 2-TK-8D 1 2 4.3 0.2 20 8 - 0.05 + 0.05 U U INSL RE GMR 3-TK-8D 1 3 4.3 0.25 20 8 - 0.05 + 0.05 U U U 1-edge / Stability oriented GMR 4-TK-8D 1 4 4.3 0.3 20 8 - 0.05 + 0.05 U U U GMR2.2-8D / 15D GM& 2.2-8D 1 2.2 4.3 0.17 20 8 - 0.05 + 0.05 U U U U U PSIRR GM& 2.2-15D 1 2.2 4.3 0 20 15 - 0.05 + 0.05 U U U U RE INSL GM& 3-4D 1 3 4.3 0.2 20 4 - 0.05 + 0.05 U U U U U U 1-edge / Sharp cutting oriented GM& 4-4D 1 4 4.3 0.25 20 4 - 0.05 + 0.05 U U U Handed insert shows Right-hand N : Standard item R : Right hand only L : Left hand only U : Check availability Recommended cutting conditions: G121 G43