Global Catalog Metric 8-16-23 web - Flipbook - Page 255
FRACTIONAL
Combined Drill & Countersink
Series
301
Fractional
ALUMINUM ALLOYS
2017, 2024, 356,
6061, 7075
N
COPPER ALLOYS
Alum Bronze, C110,
Muntz Brass
Hardness
≤ 80 Bhn
or
≤ 47 HRb
≤ 150 Bhn
or
≤ 88 HRb
≤ 140 Bhn
or
≤ 3 HRc
≤ 200 Bhn
or
≤ 23 HRc
540
(432-648)
455
(364-546)
190
(152-228)
175
(140-210)
500
PLASTICS
Polycarbonate, PVC
(400-600)
≤ 220 Bhn
or
≤ 19 HRc
HIGH TEMP ALLOYS
(NICKEL, COBALT,
IRON BASE)
Inconel 601, 617, 625,
Incoloy 800, Monel 400,
Rene, Waspaloy
≤ 320 Bhn
or
≤ 34 HRc
≤ 425 Bhn
or
≤ 45 HRc
S
≤ 275 Bhn
or
≤ 28 HRc
TITANIUM ALLOYS
Pure Titanium, Ti6Al4V,
Ti6Al2Sn4Zr2Mo,
Ti4Al4Mo2Sn0.5Si,
Ti-6Al4V
≤ 350 Bhn
or
≤ 38 HRc
≤ 440 Bhn
or
≤ 47 HRc
H
TOOL STEELS
A2, D2, H13, L2, M2,
P20, S7, T15, W2
≤ 475 Bhn
or
≤ 50 HRc
DC • in
Vc
(sfm)
40
(32-48)
25
(20-30)
20
(16-24)
85
(68-102)
65
(52-78)
55
(44-66)
40
(32-48)
1/32
5/64
1/8
3/16
7/32
RPM
16502
11002
6601
4715
4126
Fr
0.00100
0.0015
0.0025
0.0035
0.0040
Feed (ipm)
16.5
16.5
16.5
16.5
16.5
RPM
13905
9270
5562
3973
3476
Fr
0.00100
0.0015
0.0025
0.0035
0.0040
Feed (ipm)
13.9
13.9
13.9
13.9
13.9
RPM
5806
3871
2323
1659
1452
Fr
0.00048
0.0007
0.0012
0.0017
0.0019
Feed (ipm)
2.8
2.8
2.8
2.8
2.8
RPM
5348
3565
2139
1528
1337
0.0019
Fr
0.00048
0.0007
0.0012
0.0017
Feed (ipm)
2.6
2.6
2.6
2.6
2.6
RPM
15280
10187
6112
4366
3820
Fr
0.00100
0.0015
0.0025
0.0035
0.0040
Feed (ipm)
15.3
15.3
15.3
15.3
15.3
RPM
1222
815
489
349
306
0.0014
Fr
0.00036
0.0005
0.0009
0.0013
Feed (ipm)
0.4
0.4
0.4
0.4
0.4
RPM
764
509
306
218
191
0.0013
Fr
0.00033
0.0005
0.0008
0.0011
Feed (ipm)
0.3
0.3
0.3
0.3
0.3
RPM
611
407
244
175
153
Fr
0.00016
0.0002
0.0004
0.0006
0.0007
Feed (ipm)
0.1
0.1
0.1
0.1
0.1
RPM
2598
1732
1039
742
649
Fr
0.00064
0.0010
0.0016
0.0022
0.0026
Feed (ipm)
1.7
1.7
1.7
1.7
1.7
RPM
1986
1324
795
568
497
Fr
0.00036
0.0005
0.0009
0.0013
0.0014
Feed (ipm)
0.7
0.7
0.7
0.7
0.7
RPM
1681
1121
672
480
420
Fr
0.00032
0.0005
0.0008
0.0011
0.0013
Feed (ipm)
0.5
0.5
0.5
0.5
0.5
RPM
1222
815
489
349
306
Fr
0.00016
0.0002
0.0004
0.0006
0.0007
Feed (ipm)
0.2
0.2
0.2
0.2
0.2
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = Vc x 3.82 / DCON
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)
https://kyocera-sgstool.co.uk/
DRILLS
255
