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DRILLS
DRILLS
338
www.kyocera-sgstool.com
FRACTIONAL
6 Flute Countersink
Series
606
Fractional
Hardness
Vc
(sfm)
Diameter (D
1
)
(inch)
1/8
3/16
1/4
3/8
1/2
3/4
1
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F, 430F 440F
≤ 250 Bhn
or
≤ 24 HRc
53
RPM 1620
1080
810
540
405
270
202
(42-64)
Fr
0.0006
0.0009
0.0012
0.0019
0.0025
0.0037
0.0049
Feed (ipm)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
≤ 330 Bhn
or
≤ 36 HRc
46
RPM 1406
937
703
469
351
234
176
(37-55)
Fr
0.0005
0.0007
0.0010
0.0015
0.0020
0.0030
0.0040
Feed (ipm)
0.7
0.7
0.7
0.7
0.7
0.7
0.7
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH,
Custom 450
≤ 275 Bhn
or
≤ 28 HRc
28
RPM 856
570
428
285
214
143
107
(22-34)
Fr
0.0007
0.0011
0.0014
0.0021
0.0028
0.0042
0.0056
Feed (IPM)
0.6
0.6
0.6
0.6
0.6
0.6
0.6
≤ 375 Bhn
or
≤ 40 HRc
21
RPM 642
428
321
214
160
107
80
(17-25)
Fr
0.0003
0.0005
0.0006
0.0009
0.0012
0.0019
0.0025
Feed (IPM)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
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
0.0005
0.0008
0.0011
0.0016
0.0022
0.0033
0.0044
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
≤ 320 Bhn
or
≤ 34 HRc
14
RPM 428
285
214
143
107
71
53
(11-17)
Fr
0.0005
0.0007
0.0009
0.0014
0.0019
0.0028
0.0037
Feed (ipm)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
≤ 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
0.0009
0.0014
0.0018
0.0027
0.0036
0.0055
0.0073
Feed (ipm)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
≤ 350 Bhn
or
≤ 38 HRc
28
RPM 856
570
428
285
214
143
107
(22-34)
Fr
0.0007
0.0011
0.0014
0.0021
0.0028
0.0042
0.0056
Feed (ipm)
0.6
0.6
0.6
0.6
0.6
0.6
0.6
≤ 440 Bhn
or
≤ 47 HRc
21
RPM 642
428
321
214
160
107
80
(17-25)
Fr
0.0003
0.0005
0.0006
0.0009
0.0012
0.0019
0.0025
Feed (ipm)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
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