Indexable Insert Identification

12 04 08 N - GE

Picture of insert shown as example

B

⑤ Cutting edge length ⑦ Nose radius ⑨ Chipbreaker

Chart 5 Chart 7 Chart 9

⑥ Thickness ⑧ Feed direction Chart 6 Chart 8 C

Chart5:`⑤`Cutting edgelength (typical example)Note:The cut for sharting edge le pedge typengths are inserts.
ShapeSymbolLength (mm)Inscribed circleShapeSymbolLength (mm)Inscribed circleShapeSymbolLength (mm)Inscribed circle
033.553.50077 .76.35033.85.56
044.974.30D099 .77.94044.36.35
066.46.35Diamond1111.69.525W055.47 .94
C088.07 .9455˚1515.512.70Trigon066.59.525
Diamond ˚099.79.5251919.415.875088.712.70
801212.912.701010.915.875
1616.115.875088.34.76
1919.319.05V Diamond099.75.56
2525.825.435˚1111.16.35088.08.0
1616.69.5251010.010.0
2222.112.71212.012.0
066.356.35066.93.971212.7012.70
S77 .147 .14088.24.76R1515.87515.875
077 .947 .94099.65.56Round1616.016.0
S Square099.5259.525T Triangle1111.06.351919.0519.05
1212.7012.701313.77.942020.020.0
1515.87515.8751616.59.5252424.024.0
1919.0519.052222.012.702525.025.0
2525.4025.402727.515.8752525.4025.40
3131.7531.753333.019.053232.032.0
SymbolThickness (mm)SymbolNose radius (mm)D
X1`*`00Sharp point
011.590030.03R
022.380080.08
T22.78010.1
033.180150.15S
T33.970180.18
044.76020.2
055.560350.35
066.35040.4T
077.94080.8
099.52101.0
`(*)`121.2V
CC`□`T03X1 in CC`□`T04X1 insert thickness: 1.40 sert thickness: 1.80161.6
202.0
242.4W
323.2
M0Round insert (metric)er Solid
00Round insert (imperial)m CB
00 The nose ending w negativeNon-arc-shaped insert radius symbol ith M indicates a tolerance.N

Chart 8: Feed direction Chart 9: Chipbreaker

SymbolDirectionSymbolApplicationBumpy typeStandardHanded
R LRight LeftF`□`Fine cutting to FinishingFA, FL, FE, FB, FC FK, FPFT, FX, FZ FYS, FY, FW
NNeutralS`□` L`□`Light cuttingSE, SEW, SI, SC, SF, SP, SS, SU, SX LU,LUW,LBSD SDW ST
G`□` U`□`General cuttingGE, GU, GUW UG, UP US,UXGZ UZUM
M`□`Rough cuttingMP, MU, MX, MEMCMM HM
H`□`Heavy cuttingHG, HP, HFHU HW
Other specials
Wide chipbreakerW
Double positive chipbreakerGX
For chamferingC
For round insertRD, RP, RX, RH
For exotic alloyEF, EG, EX
For aluminum alloyAW, AG, AX, AY, LD, GD
For machining of hardened steelFV, LV, GH
For carburized layer removalSV
For stainless steelEF, EG, EM