Global Catalog Metric 8-16-23 web - Flipbook - Page 259
FRACTIONAL
Single Flute Countersink
Series
601
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
M
STAINLESS STEELS
(DIFFICULT)
304, 316, 321, 13-8 PH,
15-5PH, 17-4 PH,
Custom 450
K
CAST IRONS
Gray, Malleable,
Ductile
≤ 275 Bhn
or
≤ 28 HRc
≤ 375 Bhn
or
≤ 40 HRc
≤ 220 Bhn
or
≤ 19 HRc
≤ 330 Bhn
or
≤ 36 HRc
DC • in
Vc
(sfm)
60
(48-72)
35
(28-42)
35
(28-42)
25
(20-30)
53
(42-64)
46
(37-55)
28
(22-34)
21
(17-25)
105
(84-126)
75
(60-90)
1/8
3/16
1/4
3/8
1/2
3/4
1
RPM
3820
2547
1910
1273
955
637
478
Fr
0.0005
0.0008
0.0010
0.0016
0.0021
0.0031
0.0042
Feed (ipm)
2.0
2.0
2.0
2.0
2.0
2.0
2.0
RPM
1834
1222
917
611
458
306
229
0.0039
Fr
0.0005
0.0007
0.0010
0.0015
0.0020
0.0029
Feed (ipm)
0.9
0.9
0.9
0.9
0.9
0.9
0.9
RPM
1375
917
688
458
344
229
172
Fr
0.0003
0.0004
0.0006
0.0009
0.0012
0.0017
0.0023
Feed (ipm)
0.4
0.4
0.4
0.4
0.4
0.4
0.4
RPM
2903
1935
1452
968
726
484
363
Fr
0.0004
0.0007
0.0009
0.0013
0.0018
0.0027
0.0036
Feed (ipm)
1.3
1.3
1.3
1.3
1.3
1.3
1.3
RPM
1834
1222
917
611
458
306
229
Fr
0.0004
0.0007
0.0009
0.0013
0.0017
0.0026
0.0035
Feed (ipm)
0.8
0.8
0.8
0.8
0.8
0.8
0.8
RPM
1070
713
535
357
267
178
134
Fr
0.0003
0.0004
0.0006
0.0008
0.0011
0.0017
0.0022
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
RPM
1070
713
535
357
267
178
134
Fr
0.0003
0.0004
0.0006
0.0008
0.0011
0.0017
0.0022
0.3
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
RPM
764
509
382
255
191
127
96
Fr
0.0001
0.0002
0.0003
0.0004
0.0005
0.0008
0.0010
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
RPM
1620
1080
810
540
405
270
202
Fr
0.0003
0.0005
0.0006
0.0009
0.0012
0.0019
0.0025
Feed (ipm)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
RPM
1406
937
703
469
351
234
176
Fr
0.0002
0.0003
0.0004
0.0006
0.0009
0.0013
0.0017
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
RPM
856
570
428
285
214
143
107
Fr
0.0004
0.0005
0.0007
0.0011
0.0014
0.0021
0.0028
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
0.3
0.3
RPM
642
428
321
214
160
107
80
0.0012
Fr
0.0002
0.0002
0.0003
0.0005
0.0006
0.0009
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
0.1
0.1
RPM
3209
2139
1604
1070
802
535
401
0.0047
Fr
0.0006
0.0009
0.0012
0.0018
0.0024
0.0036
Feed (ipm)
1.9
1.9
1.9
1.9
1.9
1.9
1.9
RPM
2292
1528
1146
764
573
382
287
Fr
0.0006
0.0009
0.0012
0.0018
0.0024
0.0037
0.0049
Feed (ipm)
1.4
1.4
1.4
1.4
1.4
1.4
1.4
continued on next page
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DRILLS
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