Global Catalog Metric 8-16-23 web - Flipbook - Page 265
FRACTIONAL
6 Flute Countersink
Series
606
Fractional
Hardness
≤ 175 Bhn
or
≤ 7 HRc
CARBON STEELS
1018, 1040, 1080, 1090,
10L50, 1140, 1212,
12L15, 1525, 1536
≤ 300 Bhn
or
≤ 32 HRc
≤ 425 Bhn
or
≤ 45 HRc
≤ 275 Bhn
or
≤ 28 HRc
125
(100-150)
60
(48-72)
45
(36-54)
95
(76-114)
P
ALLOY STEELS
4140, 4150, 4320, 5120,
5150, 8630, 86L20, 50100
≤ 375 Bhn
or
≤ 40 HRc
≤ 425 Bhn
or
≤ 45 HRc
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
STAINLESS STEELS
(FREE MACHINING)
303, 416, 420F, 430F 440F
≤ 250 Bhn
or
≤ 24 HRc
≤ 375 Bhn
or
≤ 40 HRc
≤ 250 Bhn
or
≤ 24 HRc
≤ 330 Bhn
or
≤ 36 HRc
60
(48-72)
35
(28-42)
35
(28-42)
25
(20-30)
53
(42-64)
46
(37-55)
M
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH,
Custom 450
≤ 275 Bhn
or
≤ 28 HRc
≤ 375 Bhn
or
≤ 40 HRc
DC • in
Vc
(sfm)
28
(22-34)
21
(17-25)
1/8
3/16
1/4
3/8
1/2
3/4
1
RPM
3820
2547
1910
1273
955
637
478
Fr
0.0010
0.0016
0.0021
0.0031
0.0042
0.0063
0.0084
Feed (ipm)
4.0
4.0
4.0
4.0
4.0
4.0
4.0
RPM
1834
1222
917
611
458
306
229
Fr
0.0010
0.0015
0.0020
0.0029
0.0039
0.0059
0.0079
Feed (ipm)
1.8
1.8
1.8
1.8
1.8
1.8
1.8
RPM
1375
917
688
458
344
229
172
Fr
0.0006
0.0009
0.0012
0.0017
0.0023
0.0035
0.0047
Feed (ipm)
0.8
0.8
0.8
0.8
0.8
0.8
0.8
RPM
2903
1935
1452
968
726
484
363
Fr
0.0009
0.0013
0.0018
0.0027
0.0036
0.0054
0.0072
Feed (ipm)
2.6
2.6
2.6
2.6
2.6
2.6
2.6
RPM
1834
1222
917
611
458
306
229
Fr
0.0009
0.0014
0.0019
0.0028
0.0037
0.0056
0.0074
Feed (ipm)
1.7
1.7
1.7
1.7
1.7
1.7
1.7
RPM
1070
713
535
357
267
178
134
Fr
0.0006
0.0008
0.0011
0.0017
0.0022
0.0034
0.0045
Feed (ipm)
0.6
0.6
0.6
0.6
0.6
0.6
0.6
RPM
1070
713
535
357
267
178
134
Fr
0.0006
0.0008
0.0011
0.0017
0.0022
0.0034
0.0045
0.6
Feed (ipm)
0.6
0.6
0.6
0.6
0.6
0.6
RPM
764
509
382
255
191
127
96
Fr
0.0003
0.0004
0.0005
0.0008
0.0010
0.0016
0.0021
Feed (ipm)
0.2
0.2
0.2
0.2
0.2
0.2
0.2
RPM
1620
1080
810
540
405
270
202
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
RPM
1406
937
703
469
351
234
176
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
RPM
856
570
428
285
214
143
107
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
RPM
642
428
321
214
160
107
80
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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DRILLS
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