Turning Indexable Inserts Identification System

Symbol Shape

B

HHexagon
OOctagon
PPentagonSymbolTolerance (mm)
SSquare(Class)Corner HeightThicknessI.C. Size
TTriangleA±0.025
±0.005
C80° RhombicF±0.013
D55° RhombicSymbolRelief AngleC±0.025±0.025
±0.013
E75° RhombicH±0.013
F50° RhombicA
E
±0.025±0.025
M86° RhombicBG±0.13
V35° RhombicJ ±0.005
C
W80° TrigonK*±0.013±0.025
LRectangleD15°L*±0.025±0.05~±0.15
A85° Parallelogram20°M*±0.13
E±0.08~±0.18
B82° ParallelogramN*±0.025
25°
K55° ParallelogramFU*±0.13~±0.38±0.13±0.08~±0.25
RRound30°
G* Insert's periphery is as fired.
Shown angle stands for acuteTolerance difference is depending on insert size.
N
angle for rhombic and
parallelogram inserts.11°
P
(1) Shape Symbol(2) Relief Angle Symbol(3) Tolerance Symbol
ISOCNMG12
(metric)(1)(2)(3)(4)(5)
ANSICNMG4
(inch)(1)(2)(3)(4)(5)
(5) Edge Length Symbol(5) I.C. Size(6) Thickness Symbol
(ISO)(ANSI)ISOANSI
I.C. Size
(mm)IC SizeThicknessThickness
CDRSTVWSymbolSymbol Symbol
(inch)(mm)(inch)
030403063.975/32121.591 01 1/16
04050408084.763/16151.9812 T1 5/64
0552.3815 02 3/32
05060509035.567/32182.78- - T2
0663.182 03 1/8
0607061111046.351/423.9725 T3 5/32
08090713057.945/16254.763 04 3/16
0885.5635 05 7/32
091109091616069.5253/836.354 06 1/4
1210107.945 07 5/16
12129.5256 09 3/8
1215121222220812.71/24
1619151527271015.8755/85T
1616
1923191933331319.053/46
2020T
2227223822.2257/87
2525Thickness displayed as the distance between
2531252544441725.418bottom surface and highest point on cutting edge.
3238313154542131.751-1/410
SymbolHoleHole Shape ChipbreakerShape
NNo
RNoSingle Sided
FTwo Sides
ANo
MWith HoleSingle Sided
GTwo Sides
WWith Hole andNo
One Countersink
T40°~60°Single Sided
QYesWith Hole andNo
Two Countersink
U40°~60°Two Sides
BWith Hole andNo
One Countersink
H~Single Sided
70°90°
CWith Hole andNo
Two Countersink
J70°~90°Two Sides
X--- -
(4) Hole / Chipbreaker Symbol
0408PG
(6)(8) (7)
3PG 2
(6)(8) (7)
(7) Corner-R(rH) Symbol(8) Manufacturer’s Option
ISOANSI
Hand Symbol
Corner-R(rH)Corner-R(rH)Chipbreaker
SymbolSymbol
(mm)(inch)Symbol, etc.
Sharp Corner00.00000
0.03003.00101
0.05005.002013
0.101.00402
0.202.00805
0.4041/641
0.8081/322
1.2123/643
1.6161/164
2.0205/645
2.4243/326
2.8287/647
3.2321/8 8
00
(inch)
Round insertorRound insert0
M0
(metric)

32 32

  • Expressed as edge length for ISO.
  • ANSI expresses the inscribed circle diameter in inches.
  • Positive Inserts Identification System
  • When a minus tolerance is specified for the corner-R(re)
CCGT060201MER-UCCGT060201MFP-GFIf a minus tolerance is specified for the corner-R(re) as
shown in the Fig.1, using an insert with corner-R(re)=0.2 mm
may result in larger radius than specified.
Minus toleranceMinus tolerance
for Corner-R(re)for Corner-R(re)Use an insert the corner of which R(re) has a minus tolerance.
With HoningSharp edge

Insert Hand Chipbreakers Polished Chipbreakers

Under R0.2

Fig.1 Example of a specified corner-R in the drawing