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DRILLS
DRILLS
332
www.kyocera-sgstool.com
FRACTIONAL
Single Flute Countersink
Series
601
Fractional
Hardness
Vc
(sfm)
Diameter (D
1
)
(inch)
1/8
3/16
1/4
3/8
1/2
3/4
1
S
SUPER ALLOYS
(NICKEL, COBALT,
IRON BASE)
Inconel 601, 617, 625,
Incoloy 800, Monel 400,
Rene, Waspaloy
≤ 220 Bhn
or
≤ 19 HRc
18
RPM 550
367
275
183
138
92
69
(14-22)
Fr
0.0002
0.0003
0.0004
0.0005
0.0007
0.0011
0.0015
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
≤ 320 Bhn
or
≤ 34 HRc
14
RPM 428
285
214
143
107
71
53
(11-17)
Fr
0.0002
0.0004
0.0005
0.0007
0.0009
0.0014
0.0019
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
≤ 425 Bhn
or
≤ 45 HRc
12
RPM 367
244
183
122
92
61
46
(10-14)
Fr
0.0003
0.0004
0.0005
0.0008
0.0011
0.0016
0.0022
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
TITANIUM ALLOYS
Pure Titanium, Ti6Al4V,
Ti6Al2Sn4Zr2Mo,
Ti4Al4Mo2Sn0.5Si,
Ti-6Al4V
≤ 275 Bhn
or
≤ 28 HRc
36
RPM 1100
733
550
367
275
183
138
(29-43)
Fr
0.0005
0.0007
0.0009
0.0014
0.0018
0.0027
0.0036
Feed (ipm)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
≤ 350 Bhn
or
≤ 38 HRc
28
RPM 856
570
428
285
214
143
107
(22-34)
Fr
0.0004
0.0005
0.0007
0.0011
0.0014
0.0021
0.0028
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
≤ 440 Bhn
or
≤ 47 HRc
21
RPM 642
428
321
214
160
107
80
(17-25)
Fr
0.0002
0.0002
0.0003
0.0005
0.0006
0.0009
0.0012
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
N
ALUMINUM ALLOYS
2017, 2024, 356,
6061, 7075
≤ 80 Bhn
or
≤ 47 HRb
225
RPM 6876
4584
3438
2292
1719
1146
860
(180-270)
Fr
0.0008
0.0011
0.0015
0.0023
0.0030
0.0045
0.0061
Feed (ipm)
5.2
5.2
5.2
5.2
5.2
5.2
5.2
≤ 150 Bhn
or
≤ 7 HRc
190
RPM 5806
3871
2903
1935
1452
968
726
(152-228)
Fr
0.0008
0.0011
0.0015
0.0023
0.0030
0.0045
0.0061
Feed (ipm)
4.4
4.4
4.4
4.4
4.4
4.4
4.4
COPPER ALLOYS
Alum Bronze, C110,
Muntz Brass
≤ 140 Bhn
or
≤ 3 HRc
95
RPM 2903
1935
1452
968
726
484
363
(76-114)
Fr
0.0004
0.0006
0.0008
0.0011
0.0015
0.0023
0.0030
Feed (ipm)
1.1
1.1
1.1
1.1
1.1
1.1
1.1
≤ 200 Bhn
or
≤ 23 HRc
80
RPM 2445
1630
1222
815
611
407
306
(64-96)
Fr
0.0004
0.0006
0.0008
0.0012
0.0016
0.0025
0.0033
Feed (ipm)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = Vc x 3.82 / D
1
ipm = Fr x rpm
reduce speed and feed for materials harder than listed
refer to the KYOCERA SGS Tool Wizard
®
for complete technical information (www.kyocera-sgstool.com)