Global Catalog Metric 8-16-23 web - Flipbook - Page 239
FRACTIONAL
2 Flute Drills
Series
101
Fractional
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 HRb
≤ 140 Bhn
or
≤ 3 HRc
≤ 200 Bhn
or
≤ 23 HRc
540
(432-648)
455
(364-546)
190
(152-228)
175
(140-210)
500
PLASTICS
Polycarbonate, PVC
(400-600)
≤ 220 Bhn
or
≤ 19 HRc
HIGH TEMP ALLOYS
(NICKEL, COBALT,
≤ 320 Bhn
IRON BASE)
or
Inconel 601, 617, 625,
≤ 34 HRc
Incoloy 800, Monel 400,
Rene, Waspaloy
≤ 425 Bhn
or
≤ 45 HRc
S
≤ 275 Bhn
or
≤ 28 HRc
TITANIUM ALLOYS
(DIFFICULT)
≤ 350 Bhn
Pure Titanium, Ti6Al4V,
or
Ti6Al2Sn4Zr2Mo,
≤ 38 HRc
Ti4Al4Mo2Sn0.5Si,
Ti-6Al4V
≤ 440 Bhn
or
≤ 47 HRc
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 475 Bhn
or
≤ 50 HRc
DC • in
Vc
(sfm)
40
(32-48)
25
(20-30)
20
(16-24)
85
(68-102)
65
(52-78)
55
(44-66)
40
(32-48)
1/64
1/32
1/16
1/8
1/4
3/8
1/2
RPM
132019
66010
33005
16502
8251
5501
4126
Fr
0.00030
0.0006
0.0012
0.0024
0.0048
0.0073
0.0097
Feed (ipm)
40.0
40.0
40.0
40.0
40.0
40.0
40.0
RPM
111238
55619
27810
13905
6952
4635
3476
Fr
0.00031
0.0006
0.0013
0.0025
0.0050
0.0076
0.0101
Feed (ipm)
35.0
35.0
35.0
35.0
35.0
35.0
35.0
RPM
46451
23226
11613
5806
2903
1935
1452
Fr
0.00015
0.0003
0.0006
0.0012
0.0024
0.0036
0.0048
Feed (ipm)
7.0
7.0
7.0
7.0
7.0
7.0
7.0
RPM
42784
21392
10696
5348
2674
1783
1337
0.0048
Fr
0.00015
0.0003
0.0006
0.0012
0.0024
0.0036
Feed (ipm)
6.4
6.4
6.4
6.4
6.4
6.4
6.4
RPM
122240
61120
30560
15280
7640
5093
3820
Fr
0.00031
0.0006
0.0012
0.0025
0.0050
0.0075
0.0099
Feed (ipm)
38.0
38.0
38.0
38.0
38.0
38.0
38.0
RPM
9779
4890
2445
1222
611
407
306
0.0033
Fr
0.00010
0.0002
0.0004
0.0008
0.0016
0.0025
Feed (ipm)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
RPM
6112
3056
1528
764
382
255
191
0.0031
Fr
0.00010
0.0002
0.0004
0.0008
0.0016
0.0024
Feed (ipm)
0.6
0.6
0.6
0.6
0.6
0.6
0.6
RPM
4890
2445
1222
611
306
204
153
Fr
0.00004
0.0001
0.0002
0.0003
0.0007
0.0010
0.0013
Feed (ipm)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
RPM
20781
10390
5195
2598
1299
866
649
Fr
0.00020
0.0004
0.0008
0.0016
0.0032
0.0049
0.0065
Feed (ipm)
4.2
4.2
4.2
4.2
4.2
4.2
4.2
RPM
15891
7946
3973
1986
993
662
497
Fr
0.00011
0.0002
0.0004
0.0009
0.0017
0.0026
0.0034
Feed (ipm)
1.7
1.7
1.7
1.7
1.7
1.7
1.7
RPM
13446
6723
3362
1681
840
560
420
Fr
0.00010
0.0002
0.0004
0.0008
0.0015
0.0023
0.0031
Feed (ipm)
1.3
1.3
1.3
1.3
1.3
1.3
1.3
RPM
9779
4890
2445
1222
611
407
306
Fr
0.00005
0.0001
0.0002
0.0004
0.0008
0.0012
0.0016
Feed (ipm)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = Vc x 3.82 / DC
ipm = 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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