b b bbbbbb GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex User’s Guide - Parts for Tools A Chipbreaker Pieces Shape Designation Dimension (mm)abcCBT-2S8.87.6 B 2 CBT-2M 7.4 6.6 60° CBT-3S 13.3 12.1 CBT-3M 12.3 11.1CBT-3L11.310.1CBT-4S18.816.9 C CBT-4M 17.8 15.9 2.5 CBT-4L 16.8 14.4 a c NCT-2S 14.2 11.8NCT-2M1310.8(TX30)NCT-2L11.99.8 D CBS-3S 8.3 9.5 2 CBS-3M 7.3 CBS-4S 11.6CBS-4SNCBS-4M10.6 E CBS-4L 12.7 9.1 2.5 a c NCS-3S 11.2 NCS-3M 10.2(TX30)NCS-3L8.7B11 R-5 F 24 13 5 B11 L-5 a cRight hand (R) shown(TX30)CBS-4SN 11.5 11.5 G CBS-4MN 10.5 10.5 CBS-4LN 9 9 2.5NCS-3SN11.211.2acNCS-3MN10.210.2(TX30)NCS-3LN8.78.7H CBC-4SN 11.5 11.5 80° CBC-4MN 10.5 10.5 2.5CBC-4LN9.59.5ac(TX30) I CBD-4SR 11.5 CBD-4MR 55° CBD-4ML 12.7 10.5 2.5 a c CBD-4LR 9.5Right hand (R) shown(TX30) J CBD-4SN 11.5 11.5 2.5 CBD-4MN 10.5 10.5 55° a c (TX30) CBR-4SN 11.912.7 2.5 K CBR-4MN 10.9 a c (TX30) L M Tungaloy L019