Iso metric (mm), Whitworth (wh), Trapezoidal (tr) – Sandvik Coromant Threading User Manual
Page 110: Iso inch (un), Npt (nt), Technical reference
110
0.50
0.34
7
.013
7
0.70
0.43
8
.017
8
0.75
0.48
8
.019
8
0.80
0.53
8
.021
8
1.00
0.63
11
.025
11
1.25
0.77
11
.030
11
1.50
0.92
13
.036
13
1.75
1.05
14
.041
14
2.00
1.20
18
.047
18
28
0.64
10
.025
10
26
0.68
11
.027
11
24
0.71
11
.028
11
22
0.77
12
.030
12
20
0.88
14
.035
14
19
0.92
14
.036
14
1.50
0.92
6
.036
6
2.00
1.22
8
.048
8
3.00
1.76
12
.069
12
48
0.33
7
.013
7
36
0.43
8
.017
8
32
0.51
8
.020
8
28
0.58
9
.023
9
24
0.66
11
.026
11
20
0.69
11
.027
11
18
0.86
12
.034
12
16
0.96
13
.038
13
27
0.76
12
.030
12
18
1.11
18
.044
18
CMC 02.1
MC P2.1.Z.AN
5. Technical reference
Extra stock is included in the total infeed 0.05 mm
.002 inch
Reference material
Thread turning infeed recommendations, CoroTurn® XS
ISO Metric (MM)
Unit
Pitch, mm
Total infeed
nap
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
Whitworth (WH)
Unit
Pitch, t.p.i.
Total infeed
nap
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
Trapezoidal (TR)
Unit
Pitch, mm
Total infeed
nap
mm
inch
mm
inch
mm
inch
ISO inch (UN)
Unit
Pitch, t.p.i.
Total infeed
nap
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
mm
inch
NPT (NT)
Unit
Pitch, t.p.i.
Total infeed
nap
mm
inch
mm
inch