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DRILLS
DRILLS
292
www.kyocera-sgstool.com
FRACTIONAL
ICe-Carb
®
Series
140 8D
Fractional
Hardness
Vc
(sfm)
Diameter (D
1
)
(inch)
1/8
3/16
1/4
3/8
1/2
5/8
3/4
P
CARBON STEELS
1018, 1040, 1080, 1090, 10L50,
1140, 1212, 12L15, 1525, 1536
≤ 175 Bhn
or
≤ 7 HRc
405
RPM 12377
8251
6188
4126
3094
2475
2063
(324-486)
Fr
0.0036
0.0053
0.0071
0.0107
0.0142
0.0178
0.0213
Feed (ipm)
44.0
44.0
44.0
44.0
44.0
44.0
44.0
≤ 275 Bhn
or
≤ 28 HRc
370
RPM 11307
7538
5654
3769
2827
2261
1885
(296-444)
Fr
0.0030
0.0045
0.0060
0.0090
0.0120
0.0150
0.0180
Feed (ipm)
34.0
34.0
34.0
34.0
34.0
34.0
34.0
≤ 425 Bhn
or
≤ 45 HRc
210
RPM 6418
4278
3209
2139
1604
1284
1070
(168-252)
Fr
0.0026
0.0039
0.0051
0.0077
0.0103
0.0129
0.0154
Feed (ipm)
16.5
16.5
16.5
16.5
16.5
16.5
16.5
ALLOY STEELS
4140, 4150, 4320, 5120,
5150, 8630, 86L20, 50100
≤ 275 Bhn
or
≤ 28 HRc
320
RPM 9779
6519
4890
3260
2445
1956
1630
(256-384)
Fr
0.0026
0.0038
0.0051
0.0077
0.0102
0.0128
0.0153
Feed (ipm)
25.0
25.0
25.0
25.0
25.0
25.0
25.0
≤ 375 Bhn
or
≤ 40 HRc
190
RPM 5806
3871
2903
1935
1452
1161
968
(152-228)
Fr
0.0020
0.0030
0.0040
0.0059
0.0079
0.0099
0.0119
Feed (ipm)
11.5
11.5
11.5
11.5
11.5
11.5
11.5
≤ 450 Bhn
or
≤ 48 HRc
135
RPM 4126
2750
2063
1375
1031
825
688
(108-162)
Fr
0.0016
0.0024
0.0032
0.0047
0.0063
0.0079
0.0095
Feed (ipm)
6.5
6.5
6.5
6.5
6.5
6.5
6.5
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 200 Bhn
or
≤ 13 HRc
140
RPM 4278
2852
2139
1426
1070
856
713
(112-168)
Fr
0.0020
0.0030
0.0040
0.0060
0.0079
0.0099
0.0119
Feed (ipm)
8.5
8.5
8.5
8.5
8.5
8.5
8.5
≤ 375 Bhn
or
≤ 40 HRc
90
RPM 2750
1834
1375
917
688
550
458
(72-108)
Fr
0.0011
0.0016
0.0022
0.0033
0.0044
0.0055
0.0065
Feed (ipm)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
≤ 475 Bhn
or
≤ 50 HRc
80
RPM 2445
1630
1222
815
611
489
407
(64-96)
Fr
0.0006
0.0009
0.0012
0.0018
0.0025
0.0031
0.0037
Feed (ipm)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
K CAST IRONS
Gray, Malleable, Ductile
≤ 220 Bhn
or
≤ 19 HRc
350
RPM 10696
7131
5348
3565
2674
2139
1783
(280-420)
Fr
0.0037
0.0056
0.0075
0.0112
0.0150
0.0187
0.0224
Feed (ipm)
40.0
40.0
40.0
40.0
40.0
40.0
40.0
≤ 260 Bhn
or
≤ 26 HRc
310
RPM 9474
6316
4737
3158
2368
1895
1579
(248-372)
Fr
0.0039
0.0059
0.0078
0.0117
0.0156
0.0195
0.0234
Feed (ipm)
37.0
37.0
37.0
37.0
37.0
37.0
37.0
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F, 430F, 440F
≤ 185 Bhn
or
≤ 9 HRc
290
RPM 8862
5908
4431
2954
2216
1772
1477
(232-348)
Fr
0.0020
0.0030
0.0039
0.0059
0.0079
0.0099
0.0118
Feed (ipm)
17.5
17.5
17.5
17.5
17.5
17.5
17.5
≤ 275 Bhn
or
≤ 28 HRc
180
RPM 5501
3667
2750
1834
1375
1100
917
(144-216)
Fr
0.0018
0.0027
0.0036
0.0055
0.0073
0.0091
0.0109
Feed (ipm)
10.0
10.0
10.0
10.0
10.0
10.0
10.0
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH, Custom 450
≤ 275 Bhn
or
≤ 28 HRc
130
RPM 3973
2649
1986
1324
993
795
662
(104-156)
Fr
0.0018
0.0026
0.0035
0.0053
0.0070
0.0088
0.0106
Feed (ipm)
7.0
7.0
7.0
7.0
7.0
7.0
7.0
≤ 375 Bhn
or
≤ 40 HRc
95
RPM 2903
1935
1452
968
726
581
484
(76-114)
Fr
0.0016
0.0023
0.0031
0.0047
0.0062
0.0078
0.0093
Feed (ipm)
4.5
4.5
4.5
4.5
4.5
4.5
4.5
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