Grooving Inserts GB inserts will be switched to GBA (G6~G8)  Applicable Inserts P Carbon steel / Alloy steel M Stainless Steel Classification of usage (mm) K Cast Iron : Continuous-Light Interruption / 1st Choice Description A T N Non-ferrous Metals : Continuous-Light Interruption / 2nd Choice GB32_ 9.525 3.18 S Titanium Alloys ● : Continuous / 1st Choice GB43_ 12.70 4.76 H Hard materials (~40HRC)  : Continuous / 2nd Choice GB43&480 12.70 5.00 Hard materials (40HRC~) Dimension (mm) Cermet PVD Coated PCD Ref. to Carbide Applicable Page for Insert Description TC40N TC60M PR630 PR930 KPD010 Toolholders Applicable W B C or rε Toolholders Handed Insert shows Right-hand R L R L R L R L R L GB32& 050* 0.50 1.0 C0.05    ±0.025 075 0.75    A C W C 2゜ 095 0.95   B 100 1.00 2.0     KGB& ···16 125 1.25 C0.10    KGBS ···16 145 1.45   T 150 1.50  □  General (Square) (Corner is Chamfered) (Corner is Chamtered) 200 2.00 2.5    250 2.50   G GB43& 125 1.25 0.1   2.0 0.2   □ GB32 type 145 1.45 0.2   150 1.50 0.1   0.2    KGB& ···22-15 175 1.75 0.2   KGBS ···22-15 Grooving 185 1.85 3.5 0.2   ±0.025 200 2.00 0.1   A rH W rH2゜ 0.2    B 230 2.30 0.2   250 2.50 0.1   0.3   □ External T 265 2.65 0.3   General (Square) KGB& ···22-25 (Corner is R shape) 280 2.80 4.0 0.3 □  Internal 0.1   KGBS ···22-25 300 3.00 0.3    Face 330 3.30 0.3 □□  GB43 type 350 3.50 0.1   G11 0.3   □ 400 4.00 0.1   KGB& ···22-35 GB insert will be switched to GBA. 5.0 0.4   □ KGBS ···22-35 Check the corner-R(rε) of the 430 4.30 0.4 □□□  insert when changing. 450 4.50 0.4 □  □ 480 4.80 0.4 □   □ GB43& 125 1.25 2.0  A W±0.03 150 KGB& ···22-15 2° 1.50  rH rH KGBS ···22-15 1.9 B 200 3.5 2.00 0.1  250 2.50 4.0  KGB& ···22-25 1-edge T KGBS ···22-25 300 3.00  GB43& 050R 1.00 2.0 0.50     075R 1.50 0.75     KGB& ···22-15 3.5 KGBS ···22-15 A rH W ±0.025 100R 2.00 1.00     2゜ B 125R 2.50 1.25     KGB& ···22-25 T 4.0 KGBS ···22-25 150R 3.00 1.50    □ 200R 4.00 5.0 2.00   □ KGB& ···22-35 Full-R KGBS ···22-35 · Dimension B shows available grooving depth. Recommended Cutting Conditions G101 · The edge width tolerance of GB32&050 is different 0.50+−00.05 (*) * Insert grades selection standard when changing to GBA. GB Inserts GBA Inserts TC40N TC40N / PV7040 TC60M TN620 / TN90 PR630 PR1215 / PR1115 PR930 PR1215 / PR1115 KPD010 KPD001 (KPD010) * Check the corner-R(rε) of the insert when changing.  : Check Availability □ : Deleted from the next catalogue Inserts are CBN & PCD Inserts G10 sold in 10 piece boxes. are sold in 1 piece boxes.