C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D R SSUMIBORON T V W D R S T V W Break Master
C D R S T V W C D R S T V W D R S Type CNegative T V W
C C
D D
R S T V W C D R Rough S T V Cutting C D W
Chipbreaker Application D
C
R
S
T
R R
S S
T T
V W V W
Bumpy Breaker
R R
S S
T T
Standard Breaker
Handed Breaker For Chamfering
V W V W
V W
Rough to Heavy
Inserts
C D R SP MT K N V SWH C D R SP MT K N V SWH V SWH C D R SP MT K N C D R S T V W N-MP C D R S T V W N-HP C D R S T V W N-HG D D D
R R R
α=C 0°D
R R R
C C C
D D
C C
Excellent chip management for heavy cutting
S S S
T T T
S S S
T CNMM1606○○NHG V W T V W T V W
V W V W V W
C C α=
C C
D D 0°
D D
R R
S S
T T
R R
S S
T T
V W V W CNMM1606○○NMP
V W V W
C C α=
C C
D D
R R
S S
T T
0°
R R
S S
T T
D D
V W V W CNMM1606○○NHP
V W V W
PMK N S H C D R SP MT K N PMK N S H V SWH C D R S T V W C D R S T V W N-HF C D R S T V W N-HW N-HU C D R S T V W C D R S T V W C D R S T V W Two step breaker with excellent chip evacuation for heavy cutting
Strong edges and excellent chip management for heavy cutting
C C C α=
C C C
0°
D D D
R R R
S S S
T T T
D D D
R R R
S S S
T T T
V W V W V W SNMM2507○○NHU
V W V W V W
D R S Type CNegative T V W C D R S T V W C D R S T V W
Finishing
Strongest cutting edge for heavy cutting
Single-sided breaker with low cutting resistance for rough cutting
C C α=
D D
R R
S S
T T
R R
S S
T T
0°
C C
D D
C C
D D
C
V W V W
C C
SNMM3109○○NHW
α=
V W V W
D
R
C C C
D D D
R R R
α=
0°
For cutting hardened steel with force and S lowTcutting excellent chip V controlW 3,5 3°S T V W
S S
T T
V W V W
C C
D D
R R
S S
T T
R R
S S
T T
D D
V W V W
V W V W
SNMM1906○○NHF
0°
For Hardened Steel R S C D R R
S
T T
V W V W
C
D
R
S S
T T
V W V W
D
R
S
T
V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
PMK N S H C D R S T V W N-GH C D R S T V W C D R S T V W
C
Strong edge chipbreaker for heavy cutting with excellent chip evacuation even in high-feed cutting
CNGG1204○○NGH
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C C
D D D
R R R
S S S
T T T
V W V W V W
C C
D D
R R
S S
T T
V W V W
C C
D D
R R
S S
T T
V W V W
C C C
D D D
R R R
S S S
T T T
V W V W V W
C
D
R
S
T
V W
C
D
R
S
T
V W
C C
D D
R R
S S
T T
V W V W
C
D
R
S
T
V W
C
D
R
S
T
V W
C
D
R
S
T
V W
Chipbreaker Application Range Rough to Heavy
Rough to Heavy
Feed Rate (mm/rev)
Rough to Heavy (IC Ø31 mm)
Depth of Cut (mm)
(IC Ø25,4 mm)
Depth of Cut (mm)
Depth of Cut (mm)
(IC Ø15,875 to 19,05 mm)
Feed Rate (mm/rev)
Feed Rate (mm/rev)
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 pages (from Chapter B onward).
C14