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DRILLS
DRILLS
345
www.kyocera-sgstool.com
METRIC
Straight Flute Reamer
Series
201M
Metric
Hardness
Vc
(m/min)
Diameter (D
1
)
(mm)
1
2
3
4
6
8
10
P
CARBON STEELS
1018, 1040, 1080, 1090,
10L50, 1140, 1212,
12L15, 1525, 1536
≤ 175 Bhn
or
≤ 7 HRc
46
RPM 14541
7271
4847
3635
2424
1818
1454
(37-55)
Fr
0.028
0.056
0.085
0.113
0.169
0.226
0.282
Feed (mm/min)
410
410
410
410
410
410
410
≤ 300 Bhn
or
≤ 32 HRc
23
RPM 7271
3635
2424
1818
1212
909
727
(18-27)
Fr
0.025
0.050
0.074
0.099
0.149
0.198
0.248
Feed (mm/min)
180
180
180
180
180
180
180
≤ 425 Bhn
or
≤ 45 HRc
17
RPM 5332
2666
1777
1333
889
666
533
(13-20)
Fr
0.015
0.030
0.044
0.059
0.089
0.119
0.148
Feed (mm/min)
79
79
79
79
79
79
79
ALLOY STEELS
4140, 4150, 4320, 5120,
5150, 8630, 86L20, 50100
≤ 275 Bhn
or
≤ 28 HRc
35
RPM 11148
5574
3716
2787
1858
1394
1115
(28-42)
Fr
0.024
0.048
0.072
0.096
0.144
0.192
0.240
Feed (mm/min)
268
268
268
268
268
268
268
≤ 375 Bhn
or
≤ 40 HRc
21
RPM 6786
3393
2262
1696
1131
848
679
(17-26)
Fr
0.024
0.048
0.072
0.096
0.144
0.192
0.240
Feed (mm/min)
163
163
163
163
163
163
163
≤ 450 Bhn
or
≤ 48 HRc
14
RPM 4362
2181
1454
1091
727
545
436
(11-16)
Fr
0.015
0.030
0.045
0.060
0.089
0.119
0.149
Feed (mm/min)
65
65
65
65
65
65
65
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 250 Bhn
or
≤ 24 HRc
12
RPM 3878
1939
1293
969
646
485
388
(10-15)
Fr
0.015
0.031
0.046
0.062
0.093
0.124
0.155
Feed (mm/min)
60
60
60
60
60
60
60
≤ 375 Bhn
or
≤ 40 HRc
8
RPM 2424
1212
808
606
404
303
242
(6-9)
Fr
0.010
0.020
0.030
0.040
0.059
0.079
0.099
Feed (mm/min)
24
24
24
24
24
24
24
≤ 475 Bhn
or
≤ 50 HRc
6
RPM 1939
969
646
485
323
242
194
(5-7)
Fr
0.006
0.012
0.019
0.025
0.037
0.050
0.062
Feed (mm/min)
12
12
12
12
12
12
12
≤ 655 Bhn
or
≤ 60 HRc
4
RPM 1272
636
424
318
212
159
127
(3-5)
Fr
0.006
0.013
0.019
0.025
0.038
0.050
0.063
Feed (mm/min)
8
8
8
8
8
8
8
K
CAST IRONS
Gray, Malleable,
Ductile
≤ 220 Bhn
or
≤ 19 HRc
38
RPM 12118
6059
4039
3029
2020
1515
1212
(30-46)
Fr
0.032
0.064
0.097
0.129
0.193
0.257
0.322
Feed (mm/min)
390
390
390
390
390
390
390
≤ 330 Bhn
or
≤ 36 HRc
29
RPM 9209
4605
3070
2302
1535
1151
921
(23-35)
Fr
0.032
0.064
0.096
0.128
0.192
0.256
0.320
Feed (mm/min)
295
295
295
295
295
295
295
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