Global Catalog Metric 8-16-23 web - Flipbook - Page 257
METRIC
Combined Drill & Countersink
Series
301M
Metric
ALUMINUM ALLOYS
2017, 2024, 356,
6061, 7075
N
COPPER ALLOYS
Alum Bronze, C110,
Muntz Brass
Hardness
≤ 80 Bhn
or
≤ 47 HRb
≤ 150 Bhn
or
≤ 88 HRc
≤ 140 Bhn
or
≤ 3 HRc
≤ 200 Bhn
or
≤ 23 HRc
165
(132-198)
139
(111-166)
58
(46-69)
53
(43-64)
152
PLASTICS
Polycarbonate, PVC
(122-183)
≤ 220 Bhn
or
≤ 19 HRc
HIGH TEMP ALLOYS
(NICKEL, COBALT,
IRON BASE)
Inconel 601, 617, 625,
Incoloy 800, Monel 400,
Rene, Waspaloy
≤ 320 Bhn
or
≤ 34 HRc
≤ 425 Bhn
or
≤ 45 HRc
S
≤ 275 Bhn
or
≤ 28 HRc
TITANIUM ALLOYS
Pure Titanium, Ti6Al4V,
Ti6Al2Sn4Zr2Mo,
Ti4Al4Mo2Sn0.5Si,
Ti-6Al4V
≤ 350 Bhn
or
≤ 38 HRc
≤ 440 Bhn
or
≤ 47 HRc
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 475 Bhn
or
≤ 50 HRc
DC • mm
Vc
(m/min)
12
(10-15)
8
(6-9)
6
(5-7)
26
(21-31)
20
(16-24)
17
(13-20)
12
(10-15)
1
1.6
2.5
4
5
RPM
16619
13087
8309
5235
4188
Fr
0.025
0.032
0.050
0.079
0.099
Feed (mm/min)
415
415
415
415
415
RPM
14003
11027
7001
4411
3529
Fr
0.025
0.032
0.050
0.079
0.099
Feed (mm/min)
350
350
350
350
350
RPM
5847
4605
2924
1842
1474
Fr
0.012
0.015
0.024
0.038
0.048
Feed (mm/min)
70
70
70
70
70
RPM
5386
4241
2693
1696
1357
0.048
Fr
0.012
0.015
0.024
0.038
Feed (mm/min)
65
65
65
65
65
RPM
15388
12118
7694
4847
3878
Fr
0.025
0.032
0.050
0.079
0.099
Feed (mm/min)
385
385
385
385
385
RPM
1231
969
616
388
310
0.035
Fr
0.009
0.011
0.018
0.028
Feed (mm/min)
11
11
11
11
11
RPM
769
606
385
242
194
0.031
Fr
0.008
0.010
0.016
0.025
Feed (mm/min)
6
6
6
6
6
RPM
616
485
308
194
155
Fr
0.003
0.004
0.006
0.010
0.013
Feed (mm/min)
2
2
2
2
2
RPM
2616
2060
1308
824
659
Fr
0.016
0.020
0.032
0.051
0.064
Feed (mm/min)
42
42
42
42
42
RPM
2000
1575
1000
630
504
Fr
0.009
0.011
0.018
0.029
0.036
Feed (mm/min)
18
18
18
18
18
RPM
1693
1333
846
533
427
Fr
0.008
0.011
0.017
0.026
0.033
Feed (mm/min)
14
14
14
14
14
RPM
1231
969
616
388
310
Fr
0.004
0.005
0.008
0.013
0.016
Feed (mm/min)
5
5
5
5
5
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = (Vc x 1000) / (DCON x 3.14)
mm/min = Fr x rpm
reduce speed and feed 30 percent when using uncoated drills
reduce speed and feed for materials harder than listed
refer to the SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com)
https://kyocera-sgstool.co.uk/
DRILLS
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