Global Catalog Metric 8-16-23 web - Flipbook - Page 256
METRIC
Combined Drill & Countersink
Series
301M
Metric
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
81
≤ 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
1
1.6
2.5
4
5
RPM
8155
6422
4078
2569
2055
Fr
0.017
0.022
0.034
0.054
0.068
(65-97)
38
Feed (mm/min)
139
139
139
139
139
RPM
3847
3029
1923
1212
969
Fr
0.016
0.020
0.032
0.051
0.064
Feed (mm/min)
62
62
62
62
62
(30-46)
26
RPM
2616
2060
1308
824
659
Fr
0.010
0.013
0.020
0.032
0.039
Feed (mm/min)
26
26
26
26
26
(21-31)
70
RPM
7078
5574
3539
2230
1784
Fr
0.016
0.020
0.032
0.051
0.063
Feed (mm/min)
113
113
113
113
113
(56-84)
P
ALLOY STEELS
4140, 4150, 4320, 5120,
5150, 8630, 86L20, 50100
DC • mm
Vc
(m/min)
44
RPM
4462
3514
2231
1406
1125
Fr
0.015
0.019
0.030
0.048
0.060
Feed (mm/min)
67
67
67
67
67
(35-53)
18
RPM
1847
1454
923
582
465
Fr
0.007
0.009
0.014
0.022
0.028
Feed (mm/min)
13
13
13
13
13
(15-22)
26
RPM
2616
2060
1308
824
659
Fr
0.009
0.012
0.018
0.029
0.036
(21-31)
17
Feed (mm/min)
24
24
24
24
24
RPM
1693
1333
846
533
427
Fr
0.004
0.005
0.008
0.013
0.016
(13-20)
64
Feed (mm/min)
7
7
7
7
7
RPM
6463
5089
3231
2036
1629
Fr
0.012
0.015
0.024
0.038
0.048
(51-77)
34
Feed (mm/min)
78
78
78
78
78
RPM
3385
2666
1693
1066
853
Fr
0.007
0.009
0.014
0.023
0.028
(27-40)
20
Feed (mm/min)
24
24
24
24
24
RPM
2000
1575
1000
630
504
Fr
0.009
0.011
0.018
0.029
0.036
(16-24)
17
Feed (mm/min)
18
18
18
18
18
RPM
1693
1333
846
533
427
0.033
Fr
0.008
0.011
0.017
0.026
Feed (mm/min)
14
14
14
14
14
RPM
8617
6786
4309
2714
2171
0.083
(13-20)
85
Fr
0.021
0.027
0.042
0.067
Feed (mm/min)
181
181
181
181
181
RPM
7694
6059
3847
2424
1939
Fr
0.021
0.027
0.042
0.067
0.084
Feed (mm/min)
162
162
162
162
162
(68-102)
76
(61-91)
continued on next page
256
DRILLS
https://kyocera-sgstool.co.uk/
