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DRILLS
DRILLS
273
www.kyocera-sgstool.com
Series 131N
3D & 5D
Metric
Hardness
Vc
(m/min)
Diameter (D
1
)
(mm)
3
6
8
10
12
14
16
N
ALUMINUM ALLOYS
< 12% SI
6061, 2024, 7075
≤ 150 Bhn
or
≤ 7 HRc
244
RPM 25851
12926
9694
7755
6463
5540
4847
(195-293)
Fr
0.133
0.265
0.354
0.442
0.531
0.619
0.708
Feed (mm/min)
3430
3430
3430
3430
3430
3430
3430
ALUMINUM ALLOYS
> 12% SI
A356.0, 390.0, 319.0
≤ 125 Bhn
or
≤ 77 HRb
183
RPM 19388
9694
7271
5816
4847
4155
3635
(146-219)
Fr
0.131
0.262
0.349
0.437
0.524
0.611
0.699
Feed (mm/min)
2540
2540
2540
2540
2540
2540
2540
COPPER ALLOYS
Alum Bronze, Muntz
Brass, Navel Brass
≤ 175 Bhn
or
≤ 16 HRc
168
RPM 17773
8886
6665
5332
4443
3808
3332
(134-201)
Fr
0.049
0.097
0.130
0.162
0.194
0.227
0.259
Feed (mm/min)
864
864
864
864
864
864
864
PLASTICS
Acrylic, PVC,
Polypropylene
137
RPM 14541
7271
5453
4362
3635
3116
2726
(110-165)
Fr
0.059
0.119
0.158
0.198
0.238
0.277
0.317
Feed (mm/min)
864
864
864
864
864
864
864
Bhn (Brinell) HRc (Rockwell C) HRb (Rockwell B)
rpm = (Vc x 1000) / (D
1
x 3.14)
mm/min = Fr x rpm
reduce speed and feed for materials harder than listed
refer to the KYOCERA SGS Tool Wizard
®
for complete technical information (www.kyocera-sgstool.com)
METRIC
Hi-PerCarb