347 / 396
DRILLS
DRILLS
347
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
N
ALUMINUM ALLOYS
2017, 2024, 356,
6061, 7075
≤ 80 Bhn
or
≤ 47 HRb
82
RPM 26174
13087
8725
6544
4362
3272
2617
(66-99)
Fr
0.040
0.080
0.120
0.160
0.240
0.320
0.400
Feed (mm/min)
1047
1047
1047
1047
1047
1047
1047
≤ 150 Bhn
or
≤ 7 HRc
70
RPM 22297
11148
7432
5574
3716
2787
2230
(56-84)
Fr
0.040
0.080
0.120
0.160
0.240
0.320
0.400
Feed (mm/min)
892
892
892
892
892
892
892
COPPER ALLOYS
Alum Bronze, C110,
Muntz Brass
≤ 140 Bhn
or
≤ 3 HRc
35
RPM 11148
5574
3716
2787
1858
1394
1115
(28-42)
Fr
0.020
0.041
0.061
0.081
0.122
0.163
0.204
Feed (mm/min)
227
227
227
227
227
227
227
≤ 200 Bhn
or
≤ 23 HRc
29
RPM 9209
4605
3070
2302
1535
1151
921
(23-35)
Fr
0.020
0.041
0.061
0.082
0.122
0.163
0.204
Feed (mm/min)
188
188
188
188
188
188
188
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = (Vc x 1000) / (D
1
x 3.14)
mm/min = Fr x rpm
increase speed and feed 30 percent when using coated reamers
reduce speed and feed for materials harder than listed
refer to the KYOCERA SGS Tool Wizard
®
for complete technical information (www.kyocera-sgstool.com)