Global Catalog Metric 8-16-23 web - Flipbook - Page 250
FRACTIONAL
3 Flute Drills
Series
103
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
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
K
CAST IRONS
Gray, Malleable,
Ductile
ALUMINUM ALLOYS
2017, 2024, 356,
6061, 7075
≤ 250 Bhn
or
≤ 24 HRc
≤ 375 Bhn
or
≤ 40 HRc
≤ 220 Bhn
or
≤ 19 HRc
≤ 330 Bhn
or
≤ 36 HRc
≤ 80 Bhn
or
≤ 47 HRb
≤ 150 Bhn
or
≤ 88 HRb
N
COPPER ALLOYS
Alum Bronze, C110,
Muntz Brass
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 140 Bhn
or
≤ 3 HRc
≤ 200 Bhn
or
≤ 23 HRc
≤ 475 Bhn
or
≤ 50 HRc
DC • in
Vc
(sfm)
295
(236-354)
260
(208-312)
150
(120-180)
230
(184-276)
145
(116-174)
115
(92-138)
85
(68-102)
65
(52-78)
250
(200-300)
195
(156-234)
540
(432-648)
455
(364-546)
305
(244-366)
160
(128-192)
50
(40-60)
RPM
Fr
1/8
1/4
3/8
1/2
5/8
3/4
9015
0.0026
4508
0.0051
3005
0.0077
2254
0.0102
1803
0.0128
1503
0.0153
Feed (ipm)
23.0
23.0
23.0
23.0
23.0
23.0
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
7946
0.0023
18.0
4584
0.0013
6.0
7029
0.0019
13.5
4431
0.0019
8.5
3514
0.0005
1.8
2598
0.0013
3.4
1986
0.0007
1.3
3973
0.0045
18.0
2292
0.0026
6.0
3514
0.0038
13.5
2216
0.0038
8.5
1757
0.0010
1.8
1299
0.0026
3.4
993
0.0013
1.3
2649
0.0068
18.0
1528
0.0039
6.0
2343
0.0058
13.5
1477
0.0058
8.5
1171
0.0015
1.8
866
0.0039
3.4
662
0.0020
1.3
1986
0.0091
18.0
1146
0.0052
6.0
1757
0.0077
13.5
1108
0.0077
8.5
879
0.0020
1.8
649
0.0052
3.4
497
0.0026
1.3
1589
0.0113
18.0
917
0.0065
6.0
1406
0.0096
13.5
886
0.0096
8.5
703
0.0026
1.8
520
0.0065
3.4
397
0.0033
1.3
1324
0.0136
18.0
764
0.0079
6.0
1171
0.0115
13.5
739
0.0115
8.5
586
0.0031
1.8
433
0.0079
3.4
331
0.0039
1.3
RPM
7640
3820
2547
1910
1528
1273
Fr
0.0026
0.0052
0.0079
0.0105
0.0131
0.0157
Feed (ipm)
20.0
20.0
20.0
20.0
20.0
20.0
RPM
5959
2980
1986
1490
1192
993
Fr
0.0026
0.0052
0.0078
0.0104
0.0130
0.0156
Feed (ipm)
15.5
15.5
15.5
15.5
15.5
15.5
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
RPM
Fr
Feed (ipm)
Feed (ipm)
RPM
Fr
Feed (ipm)
16502
0.0032
53.0
13905
0.0032
45.0
9321
0.0019
18.0
4890
0.0016
8.0
1.3
1528
0.0007
1.0
8251
0.0064
53.0
6952
0.0065
45.0
4660
0.0039
18.0
2445
0.0033
8.0
1.3
764
0.0013
1.0
5501
0.0096
53.0
4635
0.0097
45.0
3107
0.0058
18.0
1630
0.0049
8.0
1.3
509
0.0020
1.0
4126
0.0128
53.0
3476
0.0129
45.0
2330
0.0077
18.0
1222
0.0065
8.0
1.3
382
0.0026
1.0
3300
0.0161
53.0
2781
0.0162
45.0
1864
0.0097
18.0
978
0.0082
8.0
1.3
306
0.0033
1.0
2750
0.0193
53.0
2317
0.0194
45.0
1553
0.0116
18.0
815
0.0098
8.0
1.3
255
0.0039
1.0
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = Vc x 3.82 / DC
ipm = Fr x rpm
reduce speed and feed 30 percent when using uncoated drills
reduce speed and feed for materials harder than listed
refer to the SGS Tool Wizard® for complete technical information (www.kyocera-sgstool.com)
250
DRILLS
https://kyocera-sgstool.co.uk/
