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 <950
<180 <280
Unalloyed steel
0.10
0.30
0.10
0.35
700-950 950-1200 1200-1400
200-280 280-355 355-415
Alloyed steel
0.12
0.25
0.10
0.30
Duplex stainless steel Austenitic stainless steel
778 675
230 200 300 220 260 250
0.06
0.20
0.10
0.30
Precipitation-hardening stainless steel
1013
Grey cast iron
700 880 800 260 447 943
Nodular cast iron Malleable cast iron
0.10
0.30
0.10
0.35
0.20
7.50
Aluminum
75
-
-
-
-
Aluminum alloy Fe-based alloy Co-based alloy Ni-based alloy
130 280 320 350 370
1076 1177 1262
0.06
0.12
-
-
Ti-alloy
Hardened steel Chilled cast iron
- -
50-60HRC
-
-
-
-
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.
389
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