Grooving 2°2°S CW±0.05ø130 25 Edge preparation type No. of edges KBN510 KBN525 KPD001 KPD010 Applicable toolholder External grooving Blade and toolholder KGDS-S GMM/GMN/GMR Non-ferrous metals N N Titanium alloy N S Hard materials (~40 HRC) H Hard materials (40 HRC ~) O N Dimension (mm) Tolerance CBN PCD Insert Description - -CWSRELEINSLCWmin.CWmax. GMN 2 1 2 4.3 0.2 2.9 20 - 0.05 + 0.05 U U E008 U U LE GMN 3 E008 1 3 4.3 0.20.4 2.9 20 - 0.05 + 0.05 U UUU INSL RE GMN 4 E008 1 4 4.3 0.20.4 2.9 20 - 0.05 + 0.05 U UUU G45-G47 1-edge GMN 5 E008 1 5 4.3 0.20.4 2.9 20 - 0.05 + 0.05 U UUU G GMN 6 E008 1 6 4.3 0.20.4 2.9 20 - 0.05 + 0.05 UUU Handed insert shows Right-hand Available cutting diameter of KGM (for automatic lathe) / KGM-T (There is a limit to available grooving depth depending on the workpiece diameter.) 20 (CDX, ø40) 18 (CDX, ø130) ø40 (Cutting dia.) If the workpiece diameter is large, the available grooving depth becomes smaller due to interference with the toolholder. e.g.) KGMR2525M-3T20+GMN3 KGM (for automatic lathe) possible cutting diameter and available grooving depth Toolholder description DCX (Cutting Dia.) KGM& 0810K-1.5-125 - - - - - - - - - - - - 10 14 16 32 1010□-1.5 …1212□-1.5 … -- -- -- -- -25 -26 -28 2032 2536 3240 4060 60100 ∞ ∞ ∞ ∞ 0810K-2-125 - - - - - - - - - - - - 10 14 16 32 1010□-2 …1212□-2…1616□-2…1212□-2.5… - ---3240-- --50---60-- - -25262880100∞2526282050∞3225∞3632∞40 40 60∞∞60100 ∞ ∞ ∞ ∞ ∞ 1616□-2.5…1616□-3… 32 403240 5050 6060 8080100100 ∞ ∞ ∞ ∞ ∞ ∞ Available CDX (mm) 16 15 14 13 12.5 12 11 10 9 8 7 6 5 4 3 2 1 KGM-T possible cutting diameter and available grooving depth (GMN, GM& when using 1-edge insert) Toolholder description DCX (Cutting Dia.) KGM& 2012K-2T17 2020K-2T17 - - - - - - - - 66 80 130 260 2525M-2T17 1616H-3T20 - - - - - 40 54 70 100 180 2012K-3T20 2020K-3T20 2525M-3T20 - - - - - 40 90 130 240 ∞ 2020K-4T20 ∞ ∞ 2525M-4T20 ∞ 2525M-4T252525M-5T253232P-5T25 - - 50 140 240--50280600 ∞ ∞ ∞ ∞ 2525M-6T30 100 300 ∞ ∞ ∞ Available CDX (mm) 30 27 25 23 22 20 19 18 17 16 15 14 <13 N : Standard item R : Right hand only L : Left hand only U : Check availability Recommended cutting conditions: G121 G44