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DRILLS
DRILLS
250
www.kyocera-sgstool.com
FRACTIONAL
Hi-PerCarb
Series
135 3D
Fractional
Hardness
Vc
(sfm)
Diameter (D
1
)
(inch)
1/32
1/8
1/4
3/8
1/2
5/8
7/8
P
CARBON STEELS
1018, 1040, 1080, 1090, 10L50,
1140, 1212, 12L15, 1525, 1536
≤ 175 Bhn
or
≤ 7 HRc
385
RPM 47062
11766
5883
3922
2941
2353
1681
(308-462)
Fr
0.0010
0.0038
0.0076
0.0115
0.0153
0.0191
0.0268
Feed (ipm)
45.0
45.0
45.0
45.0
45.0
45.0
45.0
≤ 275 Bhn
or
≤ 28 HRc
350
RPM 42784
10696
5348
3565
2674
2139
1528
(280-420)
Fr
0.0009
0.0036
0.0071
0.0107
0.0142
0.0178
0.0249
Feed (ipm)
38.0
38.0
38.0
38.0
38.0
38.0
38.0
≤ 425 Bhn
or
≤ 45 HRc
200
RPM 24448
6112
3056
2037
1528
1222
873
(160-240)
Fr
0.0007
0.0029
0.0059
0.0088
0.0118
0.0147
0.0206
Feed (ipm)
18.0
18.0
18.0
18.0
18.0
18.0
18.0
ALLOY STEELS
4140, 4150, 4320, 5120, 5150,
8630, 86L20, 50100
≤ 275 Bhn
or
≤ 28 HRc
300
RPM 36672
9168
4584
3056
2292
1834
1310
(240-360)
Fr
0.0007
0.0029
0.0059
0.0088
0.0118
0.0147
0.0206
Feed (ipm)
27.0
27.0
27.0
27.0
27.0
27.0
27.0
≤ 375 Bhn
or
≤ 40 HRc
185
RPM 22614
5654
2827
1885
1413
1131
808
(148-222)
Fr
0.0006
0.0026
0.0051
0.0077
0.0103
0.0128
0.0180
Feed (ipm)
14.5
14.5
14.5
14.5
14.5
14.5
14.5
≤ 450 Bhn
or
≤ 48 HRc
130
RPM 15891
3973
1986
1324
993
795
568
(104-156)
Fr
0.0004
0.0018
0.0035
0.0053
0.0070
0.0088
0.0123
Feed (ipm)
7.0
7.0
7.0
7.0
7.0
7.0
7.0
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 200 Bhn
or
≤ 13 HRc
130
RPM 15891
3973
1986
1324
993
795
568
(104-156)
Fr
0.0007
0.0026
0.0053
0.0079
0.0106
0.0132
0.0185
Feed (ipm)
10.5
10.5
10.5
10.5
10.5
10.5
10.5
≤ 375 Bhn
or
≤ 40 HRc
90
RPM 11002
2750
1375
917
688
550
393
(72-108)
Fr
0.0003
0.0012
0.0023
0.0035
0.0047
0.0058
0.0081
Feed (ipm)
3.2
3.2
3.2
3.2
3.2
3.2
3.2
≤ 475 Bhn
or
≤ 50 HRc
75
RPM 9168
2292
1146
764
573
458
327
(60-90)
Fr
0.0002
0.0008
0.0016
0.0024
0.0031
0.0039
0.0055
Feed (ipm)
1.8
1.8
1.8
1.8
1.8
1.8
1.8
K
CAST IRONS
Gray, Malleable,
Ductile
≤ 220 Bhn
or
≤ 19 HRc
320
RPM 39117
9779
4890
3260
2445
1956
1397
(256-384)
Fr
0.0012
0.0046
0.0092
0.0138
0.0184
0.0230
0.0322
Feed (ipm)
45.0
45.0
45.0
45.0
45.0
45.0
45.0
≤ 260 Bhn
or
≤ 26 HRc
285
RPM 34838
8710
4355
2903
2177
1742
1244
(228-342)
Fr
0.0011
0.0046
0.0092
0.0138
0.0184
0.0230
0.0321
Feed (ipm)
40.0
40.0
40.0
40.0
40.0
40.0
40.0
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F, 430F, 440F
≤ 185 Bhn
or
≤ 9 HRc
275
RPM 33616
8404
4202
2801
2101
1681
1201
(220-330)
Fr
0.0006
0.0026
0.0051
0.0077
0.0102
0.0128
0.0179
Feed (ipm)
21.5
21.5
21.5
21.5
21.5
21.5
21.5
≤ 275 Bhn
or
≤ 28 HRc
170
RPM 20781
5195
2598
1732
1299
1039
742
(136-204)
Fr
0.0005
0.0020
0.0040
0.0061
0.0081
0.0101
0.0141
Feed (ipm)
10.5
10.5
10.5
10.5
10.5
10.5
10.5
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH, Custom 450
≤ 275 Bhn
or
≤ 28 HRc
90
RPM 11002
2750
1375
917
688
550
393
(72-108)
Fr
0.0005
0.0020
0.0040
0.0060
0.0080
0.0100
0.0140
Feed (ipm)
5.5
5.5
5.5
5.5
5.5
5.5
5.5
≤ 375 Bhn
or
≤ 40 HRc
65
RPM 7946
1986
993
662
497
397
284
(52-78)
Fr
0.0004
0.0018
0.0035
0.0053
0.0070
0.0088
0.0123
Feed (ipm)
3.5
3.5
3.5
3.5
3.5
3.5
3.5
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