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METRIC
Multi-Carb
Series
66M, 66MCR
Metric
Hardness
Ap
Ae
Ae
Vc
(m/min)
Diameter (D
1
)
(mm)
Ae x D
1
Ap x D
1
6
8
10
12
16
20
25
P
CARBON STEELS
1018, 1040, 1080,
1090, 10L50, 1140,
1212, 12L15, 1525,
1536
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.05
≤ 1
194
RPM 10260
7695
6156
5130
3847
3078
2462
(155-232)
Fz
0.029
0.047
0.059
0.072
0.095
0.101
0.105
Feed (mm/min) 2068
2528
2528
3324
3280
3431
2844
Finish
≤ 0.02
≤ 2
232
RPM 12312
9234
7387
6156
4617
3693
2955
(186-279)
Fz
0.023
0.038
0.047
0.058
0.076
0.081
0.084
Feed (mm/min) 1985
2427
2427
3191
3149
3294
2730
ALLOY STEELS
4140, 4150, 4320,
5120, 5150, 8630,
86L20, 50100
≤ 375 Bhn
or
≤ 40 HRc
Profile
≤ 0.05
≤ 1
110
RPM 5816
4362
3490
2908
2181
1745
1396
(88-132)
Fz
0.022
0.036
0.045
0.055
0.074
0.080
0.080
Feed (mm/min)
879
1108
1107
1445
1457
1536
1229
Finish
≤ 0.02
≤ 2
132
RPM 6980
5235
4188
3490
2617
2094
1675
(105-158)
Fz
0.017
0.029
0.036
0.044
0.059
0.064
0.064
Feed (mm/min)
844
1063
1063
1387
1399
1474
1179
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 375 Bhn
or
≤ 40 HRc
Profile
≤ 0.05
≤ 1
88
RPM 4686
3514
2811
2343
1757
1406
1125
(71-106)
Fz
0.014
0.026
0.032
0.038
0.051
0.056
0.055
Feed (mm/min)
472
630
630
810
810
866
680
Finish
≤ 0.02
≤ 2
106
RPM 5623
4217
3374
2811
2108
1687
1349
(85-127)
Fz
0.012
0.020
0.026
0.031
0.041
0.045
0.044
Feed (mm/min)
453
605
605
777
777
831
653
K
CAST IRONS
(LOW & MEDIUM
ALLOY)
Gray, Malleable,
Ductile
≤ 220 Bhn
or
≤ 19 HRc
Profile
≤ 0.05
≤ 1
215
RPM 11391
8543
6834
5695
4271
3417
2734
(172-258)
Fz
0.029
0.047
0.059
0.072
0.095
0.101
0.105
Feed (mm/min) 2296
2807
2807
3690
3641
3809
3158
Finish
≤ 0.02
≤ 2
258
RPM 13669 10252
8201
6834
5126
4101
3281
(206-309)
Fz
0.023
0.038
0.047
0.058
0.076
0.081
0.084
Feed (mm/min) 2204
2695
2694
3543
3496
3657
3031
CAST IRONS
(HIGH ALLOY)
Gray, Malleable,
Ductile
≤ 260 Bhn
or
≤ 26 HRc
Profile
≤ 0.05
≤ 1
165
RPM 8725
6544
5235
4362
3272
2617
2094
(132-198)
Fz
0.022
0.036
0.045
0.055
0.074
0.080
0.080
Feed (mm/min) 1319
1661
1661
2167
2186
2303
1843
Finish
≤ 0.02
≤ 2
198
RPM 10470
7852
6282
5235
3926
3141
2513
(158-237)
Fz
0.017
0.029
0.036
0.044
0.059
0.064
0.064
Feed (mm/min) 1266
1595
1595
2080
2099
2211
1769
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F,
430F, 440F
≤ 275 Bhn
or
≤ 28 HRc
Profile
≤ 0.05
≤ 1
171
RPM 9048
6786
5429
4524
3393
2714
2171
(137-205)
Fz
0.022
0.036
0.045
0.055
0.074
0.080
0.080
Feed (mm/min) 1368
1723
1723
2247
2267
2389
1911
Finish
≤ 0.02
≤ 2
137
RPM 7238
5429
4343
3619
2714
2171
1737
(109-164)
Fz
0.017
0.029
0.036
0.044
0.059
0.064
0.064
Feed (mm/min)
875
1103
1103
1438
1451
1529
1223
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