KGDI KGDI Coolant Hole (φ6) Coolant Hole (φ6) φD φD φA φA Coolant Hole (φ6) φD φA F F T T F T L2 L2 H H L2 L1 L1 H L1 Right-hand shown Exit hole of coolant Exit hoElexiot fhcooleolaonf tcoolant Toolholder Dimensions Std. Min. Bore Dia. Dimension (mm) Edge Width Spare Parts Description W (mm) Clamp Screw Wrench R L φA φD H L1 L2 F T MIN. MAX. with GMI with CM KGDI& 1816B-2 ● ● 18 16 15 150 25 9.5 4.5 GS-50 — LW-3 — G 2520B-2 ● ● 25 − 20 18 180 30 14.5 6 2.0 2.0 3225B-2 ● ● 32 25 23 200 40 19 7 — SB-5TR — LTW-20 KGDI& 2016B-3 ● ● 20 21 16 15 150 25 11.5 5.5 GS-50 — LW-3 — 2520B-3 ● ● 25 26 20 18 180 30 14.5 6 3.0 3.0 3225B-3 ● ● 32 33 25 23 200 40 19 8 — SB-5TR — LTW-20 Grooving KGDI& 3225B-4 ● ● 32 40 (34*) 25 23 200 40 19 8.5 4.0 5.0 — SB-5TR — LTW-20 4032B-4 ● ● 40 48 (42*) 32 29 220 50 23.5 11 KGDI& 3225B-5 ● ● 32 37 (34*) 25 23 200 40 19 8.5 5.0 5.0 — SB-5TR — LTW-20 4032B-5 ● ● 40 45 (42*) 32 29 220 50 23.5 11 * Possible by slightly chamfering toolholder’s tip about 0.5 mm Applicable Inserts Classification of usage P Carbon steel / Alloy steel ● : Continuous-Light Interruption / 1st Choice : Continuous-Light Interruption / 2nd Choice M Stainless Steel : Continuous / 1st Choice Applicable : Continuous / 2nd Choice K Cast Iron Toolholders Dimension (mm) Cermet MEGACOAT MEGACOAT Insert Description NANO W Tolerance rε M L H TN620 PR1535 PR1225 PR1215 GDM 2013N-020GMI 2.0 0.2 1.5 13.5 4.3 ● ● ● ● KGDI&…-2 2° M rε W 3015N-040GMI 3.0 ±0.03 2.4 15.5 4.6 ● ● ● ● KGDI&…-3 2° 4020N-040GMI 4.0 0.4 3.4 ● ● ● ● KGDI&…-4 L H 5020N-040GMI 20 4.3 ● ● ● ● KGDI&…-4 5.0 ±0.04 4.4 KGDI&…-5 5020N-080GMI 0.8 ● ● ● ● L GDM 3015N-150R-CM 3.0 1.5 2.3 16.3 4.6 ● ● KGDI&…-3 M rε ±0.03 W 4020N-200R-CM 4.0 2.0 3.3 20 ● ● KGDI&…-4 H 4.3 KGDI&…-4 5020N-250R-CM 5.0 ±0.04 2.5 4.2 21 ● ● KGDI&…-5 Recommended Cutting Conditions (Vc) Recommended Cutting Conditions (f, ap) Recommended Insert Grades Grooving Turning (Cutting Speed Vc: m/min) Remarks Chipbreaker Workpiece Chip- Cermet MEGACOAT MEGACOAT Material breaker NANO TN620 PR1535 PR1225 PR1215 Carbon Steel ☆ ☆ ★ ☆ ■ In the graph indicates the most 100~220 80~150 80~200 100~200 recommended value of feed (f) ☆ ☆ ★ ☆ GMI (General purpose) Edge Width ap Alloy Steel Coolant (mm) (mm) GMI 80~200 70~150 70~180 80~180 5 3.0 4 2.0 4mm 5mm Stainless Steel CM ☆ ★ ★ ☆ 3mm 70~180 60~150 60~150 60~150 3 1.0 2mm 2 Cast Iron ★ 0.1 0.2 0 0.1 0.2 100~200 f (mm/rev) f (mm/rev) ★ 1st Recommendation ☆ 2nd Recommendation : Std. Item : Check Availability G59