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DRILLS
DRILLS
342
www.kyocera-sgstool.com
FRACTIONAL
Straight Flute Accu-Reamer
Series
200
Fractional
Hardness
Vc
(sfm)
Diameter (D
1
)
(inch)
1/16
1/8
3/16
1/4
5/16
3/8
1/2
P
CARBON STEELS
1018, 1040, 1080, 1090,
10L50, 1140, 1212,
12L15, 1525, 1536
≤ 175 Bhn
or
≤ 7 HRc
150
RPM 9168
4584
3056
2292
1834
1528
1146
(120-180)
Fr
0.0018
0.0035
0.0053
0.0071
0.0088
0.0106
0.0141
Feed (ipm)
16.5
16.0
16.2
16.3
16.1
16.2
16.2
≤ 300 Bhn
or
≤ 32 HRc
75
RPM 4584
2292
1528
1146
917
764
573
(60-90)
Fr
0.0016
0.0031
0.0047
0.0062
0.0078
0.0093
0.0124
Feed (ipm)
7.3
7.1
7.2
7.1
7.2
7.1
7.1
≤ 425 Bhn
or
≤ 45 HRc
55
RPM 3362
1681
1121
840
672
560
420
(44-66)
Fr
0.0009
0.0019
0.0028
0.0037
0.0046
0.0056
0.0074
Feed (ipm)
3.0
3.2
3.1
3.1
3.1
3.1
3.1
ALLOY STEELS
4140, 4150, 4320, 5120,
5150, 8630, 86L20, 50100
≤ 275 Bhn
or
≤ 28 HRc
115
RPM 7029
3514
2343
1757
1406
1171
879
(92-138)
Fr
0.0015
0.0030
0.0045
0.0060
0.0075
0.0090
0.0120
Feed (ipm)
10.5
10.5
10.5
10.5
10.5
10.5
10.5
≤ 375 Bhn
or
≤ 40 HRc
70
RPM 4278
2139
1426
1070
856
713
535
(56-84)
Fr
0.0015
0.0030
0.0045
0.0060
0.0075
0.0090
0.0120
Feed (ipm)
6.4
6.4
6.4
6.4
6.4
6.4
6.4
≤ 450 Bhn
or
≤ 48 HRc
45
RPM 2750
1375
917
688
550
458
344
(36-54)
Fr
0.0009
0.0019
0.0028
0.0037
0.0046
0.0056
0.0074
Feed (ipm)
2.5
2.6
2.6
2.5
2.5
2.6
2.5
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 250 Bhn
or
≤ 24 HRc
40
RPM 2445
1222
815
611
489
407
306
(32-48)
Fr
0.0010
0.0020
0.0029
0.0039
0.0049
0.0059
0.0078
Feed (ipm)
2.4
2.4
2.4
2.4
2.4
2.4
2.4
≤ 375 Bhn
or
≤ 40 HRc
25
RPM 1528
764
509
382
306
255
191
(20-30)
Fr
0.0006
0.0013
0.0019
0.0025
0.0031
0.0038
0.0050
Feed (ipm)
0.9
1.0
1.0
1.0
0.9
1.0
1.0
≤ 475 Bhn
or
≤ 50 HRc
20
RPM 1222
611
407
306
244
204
153
(16-24)
Fr
0.0004
0.0008
0.0012
0.0016
0.0019
0.0023
0.0031
Feed (ipm)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
≤ 655 Bhn
or
≤ 60 HRc
14
RPM 856
428
285
214
171
143
107
(11-17)
Fr
0.0003
0.0007
0.0011
0.0014
0.0018
0.0021
0.0028
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
K
CAST IRONS
Gray, Malleable,
Ductile
≤ 220 Bhn
or
≤ 19 HRc
125
RPM 7640
3820
2547
1910
1528
1273
955
(100-150)
Fr
0.0020
0.0040
0.0060
0.0081
0.0101
0.0121
0.0161
Feed (ipm)
15.3
15.3
15.3
15.5
15.4
15.4
15.4
≤ 330 Bhn
or
≤ 36 HRc
95
RPM 5806
2903
1935
1452
1161
968
726
(76-114)
Fr
0.0020
0.0040
0.0060
0.0081
0.0101
0.0121
0.0161
Feed (ipm)
11.6
11.6
11.6
11.8
11.7
11.7
11.7
M
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F, 430F 440F
≤ 250 Bhn
or
≤ 24 HRc
75
RPM 4584
2292
1528
1146
917
764
573
(60-90)
Fr
0.0010
0.0020
0.0029
0.0039
0.0049
0.0059
0.0078
Feed (ipm)
4.6
4.6
4.4
4.5
4.5
4.5
4.5
≤ 330 Bhn
or
≤ 36 HRc
55
RPM 3362
1681
1121
840
672
560
420
(44-66)
Fr
0.0008
0.0015
0.0023
0.0030
0.0038
0.0045
0.0060
Feed (ipm)
2.7
2.5
2.6
2.5
2.6
2.5
2.5
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH,
Custom 450
≤ 275 Bhn
or
≤ 28 HRc
35
RPM 2139
1070
713
535
428
357
267
(28-42)
Fr
0.0010
0.0020
0.0029
0.0039
0.0049
0.0059
0.0078
Feed (ipm)
2.1
2.1
2.1
2.1
2.1
2.1
2.1
≤ 375 Bhn
or
≤ 40 HRc
25
RPM 1528
764
509
382
306
255
191
(20-30)
Fr
0.0006
0.0013
0.0019
0.0025
0.0031
0.0038
0.0050
Feed (ipm)
0.9
1.0
1.0
1.0
0.9
1.0
1.0
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