
By Cutting Conditions Chipbreaker Selection Negative Type Finishing to Medium Cutting C D R S T V W C D R S T V W FB Type P M K N S H FA C DType PMK N S H R S T V W C D R S T V W Chipbreaker GU Type P M K N S H Versatile chipbreaker featuring Work Material Legend Provides excellent chip control Profile breaker perfect for excellent wear resistance Features and sharp edge needed for low Insert fine finishing Strong, versatile chipbreaker feed machining 0.80 1.0 Photo 2.05 20° C D R 0.25 S T 25°V W Typical Cross C D R S T V W C D R S T V W C D R S T V W Section Shape Fine Finishing 27° 7° CNMG1204 ○○ Type CNMG1204 ○○ Type Relief Angle 0° CNMG1204 ○○ Type Cat. No. for 0° 0° Shapes In Cross Section B (mm) C D R S T V W C D R S T V W D CC 6 D R R SS TT VV W W C D R S T V W Stock (mm) FL FEDTypeRR SSP MTTK NVV SWWH C D R S T V W 6 Depth 4 PMK N S H Type C 4D R S T V W Depth Optimal breaker for Excellent chip control for low C D R S T V W CC D chip control on rolled 2 to high feed machining steel 2 0 0.2 1.40 0.4 0.6 1.0 Feed Rate (mm/rev) Neg. 0 C D R S T10° V W C D R S0.70T V W C D 0.2 0.4 R FeedSRate (mm/rev) T V W 0.6 C D R S T V W CC D D R R SS TT VV20°W W C D R S T V W 0° CNMG1204 ○○ Type 0° CNMG1204 ○○ Type C D(mm) R S T V W C D R S T V W C D R S T V W C C D D 6R R S S TT VV W W CC D D R R SS TT VV W W C D R S T V W Depth 4 Pos. LUC C C D 2R P D R D Type S MTK NV S WH S S TTchip control R Effective 0 VV W W for variable 0.2 depths of0.4cut SU C D R P 0.6 R S T V WH W SE R SS MTTK NVV S W D Type CC D R S T V W EF Type C DType PMK N S H D N RS HS T V W PCM K Effective at high feed and low depth of cut Finishing breaker reduces tool wear on rake face. Effective even Exotic alloy finishing breaker with excellent and profiling for high-efficiency machining. chip control Feed Rate (mm/rev) 1.3 1.5 C D R S T 1.5V W D C D1.2 R S C C D D R R S S TT VV 1.0 W W CC C D R D R R SS S TT13° VV T V W W W CC DD RR 0.1SS TT 17°VV W W C D R S T 20° V W T V W 5° C 10°CNMG1204 ○○ Type Finishing 0° 0° CNMG1204 ○○ Type 0° CNMG1204 ○○ Type 0° CNMG1204 ○○ Type D R S D C D R S C TT VV W D R CC (mm) SS T V W T V W (mm) (mm) C C D D 6R R S S T V W W C D R R S T V W CC DD RR SS TT VV W 6 W C D R S T V W 6 Depth Depth 4 4 LUW SEW FX FY Type PCM KD N RS HS FT W C D R S T V W FT Type SJ Type Depth PMK N S H 4 PMK N S H G Class PMK N S H PMK N S H T V W Type High-efficiency T Vfinishing W D D2 Type Type CT DVType C 2R S C D R SS Mhigh-feed 2 RW S T V W Class C C D D R S S TT breaker R finishing VV WW C D R New R S Twith wiper breaker V edge W CC DD RR SS TT VV W Parallel breaker with Wide breaker with Arc-shaped ground type finishing superior sharp edge sharp edge D 0 with0.2wiper edge 0.4 0.6 0 breaker 1.5 0 1.9 0.2 0.4 1.5 0.6 2.5 1.35 1.2 Feed Rate (mm/rev) 0.13 0.2 0.4 0.6 Feed Rate (mm/rev) 0.15 0.18 C D R S T V 1.0 W C D R Feed S RateT (mm/rev) V W 17° 14° C D 15° R S CT DV RW S T V W CWiperD C DInsert R R S S TT VV W W CWiperDInsert R 5°S T V W CC DD RR SS TT VV W W C D R S T V W 0° 10°CNMG1204 ○○ Type 0° CNMG1204 ○○ Type 0° TNGG1604 ○○ Type 0° TNGG1604 ○○ Type 0° TNGG1103 ○○ Type (mm) (mm) R C D6 R S T V W C 6 D R S T V W C D R S T V W C D (mm)R S C T D V R WS CT DV RW S T V W C C D D4 R R S S TT VV W W C D4 R S T V W DD RR SS TT VV W CC (mm) W C D 6R S T V W Depth Depth 6 Depth 2 4 2 SJ GX C D R P S MTK NV S WH C D R P S T V S WH ST Depth C D R S CT DV RW S T V W TType SJSJ SJ STST GXGX UM R UM 4 e Type C D 0 R DType C Type Type S S0.2 TTchipbreaker R Standard Type VV0.4 W D0Type Wwith 0.6 C Type Type S MTK 0.4NVground R Type 0.2 Arc-shaped ST C DD2Type W 0.6 C0.7 P SS Mpositive RRType Type Double TTK Nchipbreaker Type VV S WH W GX C UM D SType TType VType 2 W Light to Medium Cutting S Feed Rate (mm/rev) excellent cutting edge Feed Rate (mm/rev) type breaker for light providing superior sharpness 0 strength cutting 0.2 0.4 0.6 1.351.351.35 S 1.2T 1.2V W 0 1.5 1.5 1.50.6 2.0 2.0 2.0 1.2 T1.65V1.65W Feed Rate (mm/rev) .150.15 0.15 D 0.18 C 0.18 R 0.18 C D R0.15S0.15 1.65 0.2 0.4 C D0.15R0.15S CT DV RW S T V W C D C D R R S D 0.15 S 0.15 Feed Rate (mm/rev) S TT VV W W C R S T V W CC DD RR T 15°V15°W C SS 15° T V W D R T V W14° 14° 14° 0° SNMG1204 ○○ Type 0° TNGG1603 ○○ Type 0° SNGG1204 ○○ Type MM Type C Type C D R S TT VV W C D R S T V W C D RS CT DV RW S T 2.95 V W T C D C D R R S S T V W W C D R S T V W CC DD RR SS TT VV W W C D R S T V W 0.15 0.15 2.15 SX C C D C D R R P D Type R SS TT VV W C D R SP MTK NV S WH UP Type P M K N S H S MTK NV S WH EX W C D Type R S T V W CC DD RR SS TT VV W Perform profiling and raise steps C D R S CT DV RW S T V W W C D R S T V W Standard chipbreaker designed especially for use with exotic Double positive edge for optimal stainless steel 10° 14° alloys cutting 1.35 2.0 2.1 V D R 0.2 S TT 15°VV W D R R C C D D R R S W CC D SS TTT16° VVV W W C D R S 10° T V W C D R S CT DV RW S T V W C C D R3° S S TT VV W W C D R S T V W W CC DD RR SS TT VV W W C D R S T V W M Type e Type CCTypeC CType C Type D D R S R S TT VV W FP W FP FP D Type C Type C D D RR S 0° R Type S TT VV W W C D R S T V W CNMG1204 ○○ Type C D R S CT DV RW S T V W 0° CNMG1204 ○○ Type 0° CNMG1204 ○○ Type Bumpy Chipbreaker Standard Chipbreaker Handed Chipbreaker C D C D RR S W CC D SS TT VV W (mm) W S TT VV W R W CC DD RR SS TT VV W W C D R S T V W 6 2.952.952.95 2.152.15 2.15 1.401.401.40 (mm) Break Master (CBN/PCD) For Chamfering 150.150.15 0.150.150.15 (mm)6 6 Depth 4 C D R14°S S14° T14° D R R SS T 10° 10° 10° 4 CC C D R V W C D T VV W C MD Stainless R S T VK Cast W C D R S CT DV RW S T V W FW SS Type Depth 10°10° 10° D R C R S S TT4 VV W D R2 Work S Material: W P Steel C D R S Steel C N V WS Exotic AlloyType H Hardened Steel Depth C D W Applicable T V W Iron D Non-Ferrous R S T Metal Solid CBN Ceramics 2 2 0 0.2 0.4 0.6 Feed Rate (mm/rev) 0 0.90 1.15 C C C D D D R R RChipbreaker S S S TT VV W W DApplication T V W CC D R 0 W Range R SS TT VV W C D R S(Inscribed C D R S T V W Circle 0.2 T V W0.4 Feed Rate (mm/rev) C D Rto Sø12.7mm) C D ofR Insert S T up V W CT DV RW S T V W 15° 0.6 0.2 0.4 Feed Rate (mm/rev) 0.6 Fine Cutting C D to R Finishing S T V W Finishing C D to RLightS Cutting T V W C Wiper D R Insert S T V W High-precision Cutting (Ground) C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W 3 3 6 3 Depth of Cut ap (mm) Depth of Cut ap (mm) Depth of Cut ap (mm) Depth of Cut ap (mm) C D R S TT VV W W C D R S TT VV W W C D R S T V W C D R S T V W D RSX Type W Type pe Type SSSS SS Type Type Type 2 C FB Type D R S LU Type T V W 2 C UJUJUJType Type Type SU Type S T SE Type V W 4C RD RD RD D Type Type Type R S T GUW Type SEW Type V W C2 D AW AW AWType Type FY Type Type R S SU Type T V W 0.900.900.90 1 C C D R DFA/FL R TypeS S 1.15 1.15 FE W CC TT TypeVV W 1 D R D R SS TT VV W W 2 C D R S T LUW Type 2.002.002.00 V W 1 FX Type 10.510.510.5C D R S T V W C D 1.15 R S 5°T 5° V 5° W C D R S T V W C D R S T V W C D R S T 25°V 25°W25° 15°15° 15° EMD Type AX Type 0 0.1 0.3 0.5 0 0.1 0.3 0.5 0 0.3 0.6 0.9 0 0.1 0.3 0.5 Feed Rate f (mm/rev) Feed Rate f (mm/rev) Feed Rate f (mm/rev) Feed Rate f (mm/rev) C D R S T V W C D R S T V W C D R S T V W C R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W 2.5 B. Indicated chipbreaker application ranges and shapes are representative values only. Actual values may change according to the actual catalogue number. For details, refer to "Stock Items" in Chapter 2.50 0.05 30° C D R S T V W C D R S T V W C D R S T V W C D R S T V W B10 C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W C D R S T V W M Type e Type AXAXAX D Type C Type Type AYAY R S T V W AY C DType R Type TypeS T V W C D R S T V W C D R S T V W