 Applicable Inserts 1(: P Carbon steel / Alloy steel N O Q P P Classification of usage M Stainless Steel N Q P :Continuous-Light Interruption / (mm) K Cast Iron 1st Choice Applicable Toolholders Description A T φd N Non-ferrous Metals :Continuous-Light Interruption / Ref. to Page for GBA32_ 9.525 3.18 4.4 S Titanium Alloys 2nd Choice GBA43_ 12.70 4.76 5.5 Hard materials (~40HRC) N O O N : Continuous / 1st Choice GBA43&480 12.70 5.00 5.5 H Hard materials (40HRC~) O : Continuous / 2nd Choice Dimension (mm) Cermet MEGACOAT PVD Coated Carbide Insert Description TN620 TN6020 PR1215 PR1115 PR930 Applicable W B rε Toolholders Handed Insert shows Right-hand R L R L R L R L R L 1(: GBA32& 050-005F * 0.50 1.0 N N 075-005F 0.75 0.05 N N 095-005F 0.95 N N 100-005F 1.00 N N KGBA&…16 125-020F 1.25 2.0 N N KGBAS …16 145-020F 1.45 N N KIGBA …16 (Internal) 150-020F 1.50 0.2 N N 175-020F 1.75 N N 200-020F 2.00 2.5 N N 250-020F 2.50 N N GBA43& 125-020F 1.25 2.0 N N G A W±0.025 145-020F 1.45 N N rε rε 2゜ 150-020F 1.50 N N KGBA&…22-15 B 175-020F KGBAS …22-15 φd 1.75 0.2 N N 185-020F 1.85 3.5 N N KIGBA …22 (Internal) T 200-020F 2.00 N N Sharp Edge 230-020F 2.30 N N 250-030F 2.50 N N Grooving 265-030F 2.65 N N KGBA&...22-25T5 280-030F 2.80 4.0 0.3 N N KGBAS ...22-25T5 300-030F 3.00 N N KIGBA …22 (Internal) 330-030F 3.30 N N 350-030F 3.50 N N 400-040F 4.00 N N KGBA&…22-35 430-040F 4.30 5.0 0.4 N KGBAS …22-35 G9 450-040F 4.50 N KIGBA …22 (Internal) 480-040F 4.80 N G11 1(: GBA43& 140-010GM 1.40 0.1 N N N N 150-020GM 1.50 N N N N KGBA&…22-15 G56 175-020GM 1.75 3.5 N N N N KGBAS …22-15 W ±0.025 185-020GM 1.85 0.2 N N N N KIGBA …22 (Internal) (Internal) A rH rH 200-020GM 2.00 N N N N 2° 230-020GM 2.30 N N N N Molded Chipbreaker B Id 250-030GM 2.50 N N N N KGBA&...22-25T5 GM Chipbreaker 265-030GM 2.65 N N N N KGBAS ...22-25T5 T 300-030GM 3.00 0.3 N N N N KIGBA …22 (Internal) 330-030GM 3.30 5.0 N N N N 350-030GM 3.50 N N N N KGBA&…22-35 400-040GM KGBAS …22-35 4.00 0.4 N N N N KIGBA …22 (Internal) GBA43& 175-020MY 1.75 N N N N N N N N KGBA&…22-15 185-020MY 1.85 3.5 0.2 N N N N N N N N KGBAS …22-15 200-020MY 2.00 N N N N N N N N KIGBA …22 (Internal) 230-020MY 2.30 N N N N N N N N W ±0.025 250-030MY 2.50 4.0 N N ★2 A rε rε 5.0 N N N N N N ★1 2° 4.0 N N ★2 B 265-030MY 2.65 Molded Chipbreaker φd 5.0 N N N N N N ★1 MY Chipbreaker 300-030MY 3.00 4.0 0.3 N N ★2 T 5.0 N N N N N N ★1 330-030MY 3.30 4.0 N ★2 5.0 N N N N N ★1 350-030MY 3.50 N N N N N N N N KGBA&…22-35 5.0 KGBAS …22-35 400-040MY 4.00 0.4 N N N N N N N N KIGBA …22 (Internal) · Dimension B shows available grooving depth.  Recommended Cutting Conditions G101 * The edge width tolerance of GBA32& 050-005F −+00.05 ★Applicable Toolholders 1:KGBA&…22-25T5, KGBAS …22-25T5, KIGBA …22 2:KGBA&…22-25T5, KGBAS …22-25T5, KGBA&…22-25, KGBAS …22-25, KIGBA …22  Rake Angle (α) after α Insert Description  Rake Angle (α) after α Insert Description Installment of GBA-GM type 10° GBA43&150-020GM Installment of GBA-MY type GBA43&175-020MY GBA43&175-020GM 15° ~ 15° ~ GBA43&350-030MY GBA43&265-030GM 14° GBA43&400-040MY GBA43&300-030GM α indicates the rake angle at the center of the 12° ~ edge width, after installing insert. GBA43&400-040GM α indicates the rake angle at the center of the edge width, after installing insert. N : Std. Item Inserts are sold in 10 piece boxes. G7