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DRILLS
DRILLS
260
www.kyocera-sgstool.com
FRACTIONAL
Hi-PerCarb
Series
135 5D
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
345
RPM 42173
10543
5272
3514
2636
2109
1506
(276-414)
Fr
0.0010
0.0040
0.0080
0.0120
0.0159
0.0199
0.0279
Feed (ipm)
42.0
42.0
42.0
42.0
42.0
42.0
42.0
≤ 275 Bhn
or
≤ 28 HRc
310
RPM 37894
9474
4737
3158
2368
1895
1353
(248-372)
Fr
0.0009
0.0036
0.0072
0.0108
0.0144
0.0179
0.0251
Feed (ipm)
34.0
34.0
34.0
34.0
34.0
34.0
34.0
≤ 425 Bhn
or
≤ 45 HRc
180
RPM 22003
5501
2750
1834
1375
1100
786
(144-216)
Fr
0.0007
0.0030
0.0060
0.0090
0.0120
0.0150
0.0210
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
270
RPM 33005
8251
4126
2750
2063
1650
1179
(216-324)
Fr
0.0008
0.0030
0.0061
0.0091
0.0121
0.0151
0.0212
Feed (ipm)
25.0
25.0
25.0
25.0
25.0
25.0
25.0
≤ 375 Bhn
or
≤ 40 HRc
165
RPM 20170
5042
2521
1681
1261
1008
720
(132-198)
Fr
0.0006
0.0026
0.0052
0.0077
0.0103
0.0129
0.0180
Feed (ipm)
13.0
13.0
13.0
13.0
13.0
13.0
13.0
≤ 450 Bhn
or
≤ 48 HRc
115
RPM 14058
3514
1757
1171
879
703
502
(92-138)
Fr
0.0004
0.0018
0.0035
0.0053
0.0071
0.0088
0.0123
Feed (ipm)
6.2
6.2
6.2
6.2
6.2
6.2
6.2
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 200 Bhn
or
≤ 13 HRc
120
RPM 14669
3667
1834
1222
917
733
524
(96-144)
Fr
0.0006
0.0026
0.0051
0.0077
0.0103
0.0128
0.0179
Feed (ipm)
9.4
9.4
9.4
9.4
9.4
9.4
9.4
≤ 375 Bhn
or
≤ 40 HRc
80
RPM 9779
2445
1222
815
611
489
349
(64-96)
Fr
0.0003
0.0012
0.0024
0.0036
0.0047
0.0059
0.0083
Feed (ipm)
2.9
2.9
2.9
2.9
2.9
2.9
2.9
≤ 475 Bhn
or
≤ 50 HRc
70
RPM 8557
2139
1070
713
535
428
306
(56-84)
Fr
0.0002
0.0008
0.0016
0.0024
0.0032
0.0040
0.0056
Feed (ipm)
1.7
1.7
1.7
1.7
1.7
1.7
1.7
K CAST IRONS
Gray, Malleable, Ductile
≤ 220 Bhn
or
≤ 19 HRc
300
RPM 36672
9168
4584
3056
2292
1834
1310
(240-360)
Fr
0.0011
0.0045
0.0089
0.0134
0.0179
0.0224
0.0313
Feed (ipm)
41.0
41.0
41.0
41.0
41.0
41.0
41.0
≤ 260 Bhn
or
≤ 26 HRc
265
RPM 32394
8098
4049
2699
2025
1620
1157
(212-318)
Fr
0.0011
0.0046
0.0091
0.0137
0.0183
0.0228
0.0320
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
250
RPM 30560
7640
3820
2547
1910
1528
1091
(200-300)
Fr
0.0006
0.0026
0.0051
0.0077
0.0102
0.0128
0.0179
Feed (ipm)
19.5
19.5
19.5
19.5
19.5
19.5
19.5
≤ 275 Bhn
or
≤ 28 HRc
150
RPM 18336
4584
2292
1528
1146
917
655
(120-180)
Fr
0.0005
0.0020
0.0039
0.0059
0.0079
0.0098
0.0137
Feed (ipm)
9.0
9.0
9.0
9.0
9.0
9.0
9.0
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH, Custom 450
≤ 275 Bhn
or
≤ 28 HRc
80
RPM 9779
2445
1222
815
611
489
349
(64-96)
Fr
0.0005
0.0020
0.0039
0.0059
0.0079
0.0098
0.0137
Feed (ipm)
4.8
4.8
4.8
4.8
4.8
4.8
4.8
≤ 375 Bhn
or
≤ 40 HRc
55
RPM 6723
1681
840
560
420
336
240
(44-66)
Fr
0.0004
0.0018
0.0036
0.0054
0.0071
0.0089
0.0125
Feed (ipm)
3.0
3.0
3.0
3.0
3.0
3.0
3.0
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