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METRIC
Series 33
Series
33MCR
Metric
Hardness
Ap
Ae
Ae
Vc
(m/min)
Diameter (D
1
)
(mm)
Ae x D
1
Ap x D
1
3
6
8
10
12
16
20
P
CARBON STEELS
1018, 1040, 1080,
1090, 10L50, 1140,
1212, 12L15, 1525,
1536
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.5
≤ 1.5
168
RPM 17773
8886
6665
5332
4443
3332
2666
(134-201)
Fz
0.012
0.029
0.049
0.061
0.074
0.100
0.107
Feed (mm/min)
640
768
981
981
992
998
853
Slot
1
≤ 1
134
RPM 14218
7109
5332
4265
3555
2666
2133
(107-161)
Fz
0.012
0.029
0.049
0.061
0.074
0.100
0.107
Feed (mm/min)
512
614
785
785
793
798
682
ALLOY STEELS
4140, 4150, 4320,
5120, 5150, 8630,
86L20, 50100
≤ 375 Bhn
or
≤ 40 HRc
Profile
≤ 0.5
≤ 1.5
96
RPM 10179
5089
3817
3054
2545
1909
1527
(77-115)
Fz
0.010
0.022
0.036
0.045
0.055
0.074
0.080
Feed (mm/min)
293
330
415
415
421
425
366
Slot
1
≤ 1
76
RPM 8078
4039
3029
2424
2020
1515
1212
(61-91)
Fz
0.010
0.022
0.036
0.045
0.055
0.074
0.080
Feed (mm/min)
233
262
330
330
334
337
291
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 375 Bhn
or
≤ 40 HRc
Profile
≤ 0.5
≤ 1.5
56
RPM 5978
2989
2242
1793
1495
1121
897
(45-68)
Fz
0.007
0.017
0.030
0.037
0.043
0.059
0.064
Feed (mm/min)
129
151
201
201
194
198
172
Slot
1
≤ 1
44
RPM 4686
2343
1757
1406
1171
879
703
(35-53)
Fz
0.007
0.017
0.030
0.037
0.043
0.059
0.064
Feed (mm/min)
101
118
157
157
152
155
135
K
CAST IRONS
(LOW & MEDIUM
ALLOY)
Gray, Malleable,
Ductile
≤ 220 Bhn
or
≤ 19 HRc
Profile
≤ 0.5
≤ 1.5
136
RPM 14380
7190
5392
4314
3595
2696
2157
(109-163)
Fz
0.008
0.026
0.045
0.056
0.067
0.090
0.096
Feed (mm/min)
362
569
725
725
725
725
621
Slot
1
≤ 1
108
RPM 11471
5736
4302
3441
2868
2151
1721
(87-130)
Fz
0.008
0.026
0.045
0.056
0.067
0.090
0.096
Feed (mm/min)
289
454
578
578
578
578
496
CAST IRONS
(HIGH ALLOY)
Gray, Malleable,
Ductile
≤ 260 Bhn
or
≤ 26 HRc
Profile
≤ 0.5
≤ 1.5
104
RPM 10987
5493
4120
3296
2747
2060
1648
(83-124)
Fz
0.007
0.019
0.034
0.043
0.050
0.067
0.072
Feed (mm/min)
237
316
422
422
415
411
356
Slot
1
≤ 1
82
RPM 8725
4362
3272
2617
2181
1636
1309
(66-99)
Fz
0.007
0.019
0.034
0.043
0.050
0.067
0.072
Feed (mm/min)
188
251
335
335
330
327
283
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F,
430F, 440F
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.5
≤ 1.5
149
RPM 15834
7917
5938
4750
3958
2969
2375
(119-179)
Fz
0.009
0.024
0.041
0.051
0.060
0.079
0.085
Feed (mm/min)
433
570
722
722
712
707
608
Slot
1
≤ 1
119
RPM 12602
6301
4726
3781
3151
2363
1890
(95-143)
Fz
0.009
0.024
0.041
0.051
0.060
0.079
0.085
Feed (mm/min)
345
454
575
575
567
563
484
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