External thread milling recommendations, Coromill 327, inch, Technical reference – Sandvik Coromant Threading User Manual
Page 112
112
5H/8
1
0.54
0.13
327Rxx-xx100VM-THx
1.20
0.13
0.54
0.25
327Rxx-xx100VM-TH
327R12-22200MM-TH
1.2
1.08
0.13
0.25
0.65
0.54
1.5
0.81
0.19
327Rxx-xx100VM-THx
327R12-22150MM-TH
1.20
0.81
0.13
0.19
0.87
0.81
0.38
327Rxx-xx100VM-TH
327Rxx-xx250VM-THx
327R12-22300MM-TH
1.2
1.69/2/2.65
1.62
0.13
0.31
0.38
1.03
0.87
0.81
1.75
0.95
0.22
327Rxx-xx100VM-THx
327R12-22175MM-TH
1.20
0.95
0.13
0.22
1.03
0.95
0.44
327Rxx-xx250VM-THx
327R12-22350MM-TH
1.69/2/2.65
1.89
0.31
0.44
1.06
0.95
2
1.08
0.25
327Rxx-xx100VM-THx
327R12-22200MM-TH
1.20
1.08
0.13
0.25
1.19
1.08
0.50
327R12-22250VM-THx
327R12-22400MM-TH
2.65
2.17
0.31
0.50
1.24
1.08
2.5
1.35
0.31
327R06-12250VM-TH
327R09-18250VM-TH
327R12-22250VM-THx
1.69
2.00
2.65
0.31
0.31
0.31
1.35
1.35
1.35
0.63
327R06-12250VM-TH
327R09-18250VM-TH
327R12-22250VM-THX
327R12-22450MM-TH
1.69
2.00
2.65
2.44
0.31
0.31
0.31
0.56
1.62
1.62
1.62
1.41
3
1.62
0.38
327R06-12250VM-TH
327R09-18250VM-TH
327R12-22250VM-THx
327R12-22300MM-TH
1.69
2.00
2.65
1.62
0.31
0.31
0.31
0.38
1.68
1.68
1.68
1.62
0.75
327R09-18250VM-TH
327R12-22250VM-THx
327R12-22450MM-TH
2.00
2.65
2.44
0.31
0.31
0.56
2.00
2.00
1.79
3.5
1.89
0.44
327R09-18250VM-TH
327R12-22250VM-THx
327R12-22350MM-TH
2.00
2.65
1.89
0.31
0.31
0.44
2.00
2.00
1.89
0.88
327R12-22250VM-THx
327R12-22450MM-TH
2.65
2.44
0.31
0.56
2.38
2.17
4
2.17
0.50
327R12-22250VM-THx
327R12-22400MM-TH
2.65
2.17
0.31
0.50
2.33
2.17
1.00
4.5
2.44
0.56
327R12-22250VM-THx
327R12-22450MM-TH
2.65
2.44
0.31
0.56
2.65
2.44
1.13
5H/8
24
.0226 .0052 327Rxx-xx100VM-THx
.0472
.0049
.0227
.0104
327Rxx-xx100VM-TH
.0472
.0049
.0273
16
.0338 .0078 327Rxx-xx100VM-THx
.0472
.0049
.0363
.0156
327Rxx-xx100VM-TH
327Rxx-xx250VM-THx
.0472
.067/.079/
.104
.0049
.0123
.0431
.0367
14
.0387 .0089 327Rxx-xx100VM-THx
.0472
.0049
.0421
.0179
327Rxx-xx250VM-THx
.067/.079/
.104
.0123
.0435
12
.0451 .0104
.0208
327R12-22250VM-THx
.1043
.0123
.0525
10
.0541 .0125 327R06-12250VM-TH
327R09-18250VM-TH
327R12-22250VM-THx
.0665
.0787
.1043
.0123
.0123
.0123
.0543
.0543
.0543
.0250
327R06-12250VM-TH
327R09-18250VM-TH
327R12-22250VM-THX
.0665
.0787
.1043
.0123
.0123
.0123
.0651
.0651
.0651
8
.0677 .0156 327R09-18250VM-TH
327R12-22250VM-THx
.0787
.1043
.0123
.0123
.0706
.0706
.0313
327R12-22250VM-THx
.1043
.0123
.0841
7
.0773 .0179 327R12-22250VM-THx
.1043
.0123
.0822
.0357
327R12-22250VM-THx
.1043
.0123
.0976
6
.0902 .0208 327R12-22250VM-THx
.1043
.0123
.0976
.0417
5
.1083 .0250
.0500
5. Technical reference
External thread milling recommendations
All values are based on the theoretical base profi le to which tolerances are added
CoroMill 327, metric
Internal
External
Pitch
Thread
height,
Root
Insert
a
r
max
Nose
radii
a
r
re-
quired
Root
Insert
a
r
max
Nose
radii
a
r
required
Not possible with CoroMill 327
CoroMill 327, inch
Internal
External
Pitch
Thread
height,
Root
Insert
a
r
max
Nose
radii
a
r
required Root
Insert
a
r
max
Nose
radii
a
r
required
Not possible with CoroMill 327
Not possible with CoroMill 327
Not possible with oroMill 327