Milling Milling Cutters
Compatible Inserts
● Good Conditions Bad Conditions
General Conditions
Machining conditions
●
● ● ● ●
Dimension (mm)
P
M K N S
Insert shape
Product code
IC S RE D1 AN
SDMT 120408N-MM4
12.7 4.76 0.8
4.4 15.3°
●
● ● ● ●
SDMT 120420N-MM4
12.7 4.76 2.0
4.4 15.3°
○
●
SDMT 120425N-MM4
12.7 4.76 2.5
4.4 15.3°
○ ●
○
SDMT 120430N-MM4
12.7 4.76 3.0
4.4 15.3°
○
●
SDMT 120408N-MR2
12.7 4.76 0.8
4.4 15.3°
● ● ● ● ● ●
●: Standard stoc k ○ : Made-to-Order
Materials
Cutting depth and feed
SD..1204..N..
Geometry
ap
MM4
MR2
Tensile strength (N/mm 2 )
Hardness (HB)
ISO
Material classification
fz
(mm)
min
max
min max min max
<600
<180
Unalloyed steel
0.10
0.30
0.10
0.35
<950
<280
700-950
200-280
Alloyed steel
950-1200
280-355
0.12
0.25
0.10
0.30
1200-1400
355-415
Duplex stainless steel
778
230
Austenitic stainless steel
675
200
0.06
0.20
0.10
0.30
Precipitation-hardening stainless steel
1013
300
Grey cast iron
700
220
Nodular cast iron
880
260
0.10
0.30
0.10
0.35
0.20
9.00
Malleable cast iron
800
250
Aluminum
260
75
-
-
-
-
Aluminum alloy
447
130
Fe-based alloy
943
280
Co-based alloy
1076
320
0.06
0.12
-
-
Ni-based alloy
1177
350
Ti-alloy
1262
370
Hardened steel
-
50-60HRC
-
-
-
-
Chilled cast iron 55HRC *The recommended cutting conditions always refer to general conditions. These cutting conditions should be adjusted according to the practical machine rigidity, tools, workpiece clamping and coolant. Average chip thickness (hm)=fz x sinkr. -
277
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