Global Catalog Metric 8-16-23 web - Flipbook - Page 238
FRACTIONAL
2 Flute Drills
Series
101
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
265
(212-318)
125
(100-150)
85
(68-102)
230
(184-276)
P
ALLOY STEELS
≤ 375 Bhn
4140, 4150, 4320, 5120,
or
5150, 8630, 86L20, 50100 ≤ 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)
145
(116-174)
60
(48-72)
85
(68-102)
55
(44-66)
210
(168-252)
110
(88-132)
65
(52-78)
55
(44-66)
280
(224-336)
250
(200-300)
1/64
1/32
1/16
1/8
1/4
3/8
1/2
RPM
64787
32394
16197
8098
4049
2699
2025
Fr
0.00021
0.0004
0.0008
0.0017
0.0033
0.0050
0.0067
Feed (ipm)
13.5
13.5
13.5
13.5
13.5
13.5
13.5
RPM
30560
15280
7640
3820
1910
1273
955
Fr
0.00020
0.0004
0.0008
0.0016
0.0031
0.0047
0.0063
Feed (ipm)
6.0
6.0
6.0
6.0
6.0
6.0
6.0
RPM
20781
10390
5195
2598
1299
866
649
Fr
0.00011
0.0002
0.0004
0.0008
0.0017
0.0025
0.0034
Feed (ipm)
2.2
2.2
2.2
2.2
2.2
2.2
2.2
RPM
56230
28115
14058
7029
3514
2343
1757
Fr
0.00019
0.0004
0.0007
0.0015
0.0030
0.0045
0.0060
Feed (ipm)
10.5
10.5
10.5
10.5
10.5
10.5
10.5
RPM
35450
17725
8862
4431
2216
1477
1108
Fr
0.00019
0.0004
0.0007
0.0015
0.0030
0.0045
0.0060
Feed (ipm)
6.6
6.6
6.6
6.6
6.6
6.6
6.6
RPM
14669
7334
3667
1834
917
611
458
Fr
0.00008
0.0002
0.0003
0.0007
0.0013
0.0020
0.0026
Feed (ipm)
1.2
1.2
1.2
1.2
1.2
1.2
1.2
RPM
20781
10390
5195
2598
1299
866
649
Fr
0.00011
0.0002
0.0004
0.0009
0.0018
0.0027
0.0035
Feed (ipm)
2.3
2.3
2.3
2.3
2.3
2.3
2.3
RPM
13446
6723
3362
1681
840
560
420
Fr
0.00005
0.0001
0.0002
0.0004
0.0008
0.0012
0.0017
Feed (ipm)
0.7
0.7
0.7
0.7
0.7
0.7
0.7
RPM
51341
25670
12835
6418
3209
2139
1604
Fr
0.00015
0.0003
0.0006
0.0012
0.0024
0.0036
0.0048
Feed (ipm)
7.7
7.7
7.7
7.7
7.7
7.7
7.7
RPM
26893
13446
6723
3362
1681
1121
840
Fr
0.00009
0.0002
0.0004
0.0007
0.0015
0.0022
0.0030
Feed (ipm)
2.5
2.5
2.5
2.5
2.5
2.5
2.5
RPM
15891
7946
3973
1986
993
662
497
Fr
0.00010
0.0002
0.0005
0.0009
0.0018
0.0025
0.0035
Feed (ipm)
1.7
1.7
1.7
1.7
1.7
1.7
1.7
RPM
13446
6723
3362
1681
840
560
420
0.0031
Fr
0.00010
0.0002
0.0004
0.0008
0.0015
0.0023
Feed (ipm)
1.3
1.3
1.3
1.3
1.3
1.3
1.3
RPM
68454
34227
17114
8557
4278
2852
2139
0.0082
Fr
0.00026
0.0005
0.0010
0.0020
0.0041
0.0061
Feed (ipm)
17.5
17.5
17.5
17.5
17.5
17.5
17.5
RPM
61120
30560
15280
7640
3820
2547
1910
Fr
0.00025
0.0005
0.0010
0.0020
0.0041
0.0061
0.0081
Feed (ipm)
15.5
15.5
15.5
15.5
15.5
15.5
15.5
continued on next page
238
DRILLS
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