Cutting data recommendations
Cutting data recommendations, ISO N
Drill diameter, mm (inch)
Cutting speed ( v c ), m/min (ft/min)
3.00–6.00 (0.118–0.236)
6.01–10.00 (0.237–0.393)
10.01–13.00 (0.394–0.511)
13.01–16.00 (0.512–0.629)
16.01–20.00 (0.630–0.787)
Hardness HB
ISO MC Code
Material
Feed ( f n ), mm/r (in/rev)
A1 (3–5xD)
A1 (8×D)
A0 (3–5×D)
Aluminium based alloys
AlSi alloys Si≤1% untreated
250–360 (820–360)
250–360 (820–360)
190–284 (623–931)
0.12–0.18 (0.0047–0.0070)
0.21–0.31 (0.0082–0.0122)
0.30–0.45 (0.0118–0.0177)
0.35–0.51 (0.0137–0.0201)
0.36–0.55 (0.0141–0.0216)
N1.2.Z.UT
60
AlSi alloys Si≤1%
250–360 (820–1180)
250–360 (820–1180)
180–300 (590–984)
0.20–0.30 (0.0078–0.0118)
0.24–0.38 (0.0094–0.0147)
0.30–0.45 (0.0118–0.0177)
0.30–0.45 (0.0118–0.0177)
0.35–0.55 (0.0137–0.0216)
N1.2.Z.AG
100
N
AlSi alloys 1%<Si<13%
190–285 (623–935)
190–285 (623–935)
152–228 (499–747)
0.10–0.18 (0.0078–0.0118)
0.16–0.24 (0.0063–0.0094)
0.25–0.45 (0.0098–0.0177)
0.30–0.43 (0.0118–0.0169)
0.40–0.70 (0.0157–0.0275)
N1.3.C.AG
90
AlSi cast alloys Si≥13%
145–220 (475–721)
145–220 (475–721)
120–170 (394–557)
0.090–0.14 (0.0035–0.0055)
0.16–0.24 (0.0063–0.0094)
0.20–0.30 (0.0078–0.0118)
0.22–0.34 (0.0086–0.0133)
0.27–0.45 (0.0106–0.0177)
N1.4.C.NS
130
Cutting data recommendations, ISO S
Drill diameter, mm (inch)
Cutting speed ( v c ), m/min (ft/min)
3.00–6.00 (0.118–0.236)
6.01–10.00 (0.237–0.393)
10.01–13.00 (0.394–0.511)
13.01–16.00 (0.512–0.629)
16.01–20.00 (0.630–0.787)
Hardness HB
ISO MC Code
Material
Feed ( f n ), mm/r (in/rev)
A1 (3–5xD)
A1 (8×D)
A0 (3–5×D)
Titanium based alloys
Commercially pure (>99.5% Ti)
45–70 (147–230)
0.13–0.18 (0.0051–0.0110)
0.15–0.20 (0.0059–0.0078)
0.17–0.22 (0.0066–0.0086)
0.23–0.32 (0.0090–0.0125)
0.35–0.42 (0.0137–0.0165)
S4.1.Z.UT
200
S
Alpha- and near alpha alloys
38–58 (125–190)
0.10–0.15 (0.0039–0.0059)
0.11–0.18 (0.0043–0.0070)
0.11–0.22 (0.0043–0.0086)
0.16–0.28 (0.0063–0.0110)
0.3–0.38 (0.0118–0.0147)
S4.2.Z.AN
330
Cutting data recommendations, ISO H
Drill diameter, mm (inch)
Cutting speed ( v c ), m/min (ft/min)
3.00–6.00 (0.118–0.236)
6.01–10.00 (0.237–0.393)
10.01–13.00 (0.394–0.511)
13.01–16.00 (0.512–0.629)
16.01–20.00 (0.630–0.787)
Hardness HRc
ISO MC Code
Material
Feed ( f n ), mm/r (in/rev)
A1 (3–5xD)
A1 (8×D)
A0 (3–5×D)
Extra hard steel
Hardened and tempered
20–30 (65–98)
0.06–0.1 (0.0023–0.0039)
0.08–0.12 (0.0031–0.0047)
0.13–0.20 (0.0051–0.0078)
0.16–0.24 (0.0063–0.0094)
0.18–0.27 (0.0070–0.0106)
H1.1.Z.HA
50
H
Hardened and tempered
18–25 (59–82)
0.06–0.1 (0.0023–0.0039)
0.08–0.12 (0.0031–0.0047)
0.13–0.20 (0.0051–0.0078)
0.16–0.24 (0.0063–0.0094)
0.18–0.27 (0.0070–0.0106)
H1.2.Z.HA
55
22–36 (72–118)
0.06–0.1 (0.0023–0.0039)
0.08–0.12 (0.0031–0.0047)
0.13–0.20 (0.0051–0.0078)
0.16–0.24 (0.0063–0.0094)
0.18–0.27 (0.0070–0.0106)
H2.0.C.UT Chilled cast iron
55
Find the latest updated cutting data in CoroPlus® Tool Guide.
37
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