THREAD DATA CHART: Metric Thread -- Fine Pitch
Nominal
Size
ISO MF
Thread
Form
Type
Major
Diameter
mm
d=D
Pitch
mm
p
Root
Radius
mm
r
Pitch
Diameter
mm
d2=D2
Minor
Diameter
Male Thd.
d3
Minor
Diameter
Female Thd.
D1
Thread
Height
Male Thd.
h3
Thread
Height
Female Thd.
H1
Tap
Drill
Diameter
mm
1.0x0.2
M
1.00
0.20
0.029
0.870
0.755
0.783
0.123
0.108
0.80
1.1x0.2
M
1.10
0.20
0.029
0.970
0.855
0.883
0.123
0.108
0.90
1.2x0.2
M
1.20
0.20
0.029
1.070
0.955
0.983
0.123
0.108
1.00
1.4x0.2
M
1.40
0.20
0.029
1.270
1.155
1.183
0.123
0.108
1.20
1.6x0.2
M
1.60
0.20
0.029
1.470
1.355
1.383
0.123
0.108
1.40
1.8x0.2
M
1.80
0.20
0.029
1.670
1.555
1.583
0.123
0.108
1.60
2x0.25
M
2.00
0.25
0.036
1.838
1.693
1.729
0.153
0.135
1.75
2.2x0.25
M
2.20
0.25
0.036
2.038
1.893
1.929
0.153
0.135
1.95
2.5x0.35
M
2.50
0.35
0.051
2.273
2.071
2.121
0.215
0.189
2.10
3x0.35
M
3.00
0.35
0.051
2.773
2.571
2.621
0.215
0.189
2.60
3.5x0.35
M
3.50
0.35
0.051
3.273
3.071
3.121
0.215
0.189
3.10
4x0.5
M
4.00
0.50
0.072
3.675
3.387
3.459
0.307
0.271
3.50
4.5x0.5
M
4.50
0.50
0.072
4.175
3.887
3.959
0.307
0.271
4.00
5x0.5
M
5.00
0.50
0.072
4.675
4.387
4.459
0.307
0.271
4.50
5.5x0.5
M
5.50
0.50
0.072
5.175
4.887
4.959
0.307
0.271
5.00
6x0.75
M
6.00
0.75
0.108
5.513
5.080
5.188
0.460
0.406
5.20
7x0.75
M
7.00
0.75
0.108
6.513
6.080
6.188
0.460
0.406
6.20
8x0.75
M
8.00
0.75
0.108
7.513
7.080
7.188
0.460
0.406
7.20
8x1.0
M
8.00
1.00
0.144
7.350
6.773
6.917
0.613
0.541
7.00
9x0.75
M
9.00
0.75
0.108
8.513
8.080
8.188
0.460
0.406
8.20
9x 1
M
9.00
1.00
0.144
8.350
7.773
7.917
0.613
0.541
8.00
10x0.75
M
10.00
0.75
0.108
9.513
9.080
9.188
0.460
0.406
9.20
10x1
M
10.00
1.00
0.144
9.350
8.773
8.917
0.613
0.541
9.00
10x1.25
M
10.00
1.25
0.180
9.188
8.466
8.647
0.767
0.677
8.80
11x0.75
M
11.00
0.75
0.108
10.513
10.080
10.188
0.460
0.406
10.20
11x1
M
11.00
1.00
0.144
10.350
9.773
9.917
0.613
0.541
10.00
12x1
M
12.00
1.00
0.144
11.350
10.773
10.917
0.613
0.541
11.00
12x1.25
M
12.00
1.25
0.180
11.188
10.466
10.647
0.767
0.677
10.80
12x1.5
M
12.00
1.50
0.217
11.026
10.160
10.376
0.920
0.812
10.50
14x1.0
M
14.00
1.00
0.144
13.350
12.773
12.917
0.613
0.541
13.00
14x1.25
M
14.00
1.25
0.180
13.188
12.466
12.647
0.767
0.677
12.80
14x1.5
M
14.00
1.50
0.217
13.026
12.160
12.376
0.920
0.812
12.50
15x1
M
15.00
1.00
0.144
14.350
13.773
13.917
0.613
0.541
14.00
15x1.5
M
15.00
1.50
0.217
14.026
13.160
13.376
0.920
0.812
13.50
16x1
M
16.00
1.00
0.144
15.350
14.773
14.917
0.613
0.541
15.00
16x1.5
M
16.00
1.50
0.217
15.026
14.160
14.376
0.920
0.812
14.50
17x1.0
M
17.00
1.00
0.144
16.350
15.773
15.917
0.613
0.541
16.00
17x1.5
M
17.00
1.50
0.217
16.026
15.160
15.376
0.920
0.812
15.50
18x1.0
M
18.00
1.00
0.144
17.350
16.773
16.917
0.613
0.541
17.00
18x1.5
M
18.00
1.50
0.217
17.026
16.160
16.376
0.920
0.812
16.50
18x2.0
M
18.00
2.00
0.289
16.701
15.546
15.835
1.227
1.083
16.00
20x1.0
M
20.00
1.00
0.144
19.350
18.773
18.917
0.613
0.541
19.00
20x1.5
M
20.00
1.50
0.217
19.026
18.160
18.376
0.920
0.812
18.50
20x2.0
M
20.00
2.00
0.289
18.701
17.546
17.835
1.227
1.083
18.00
22x1.0
M
22.00
1.00
0.144
21.350
20.773
20.917
0.613
0.541
21.00
22x1.5
M
22.00
1.50
0.217
21.026
20.160
20.376
0.920
0.812
20.50
22x2.0
M
22.00
2.00
0.289
20.701
19.546
19.835
1.227
1.083
20.00
24x1.0
M
24.00
1.00
0.144
23.350
22.773
22.917
0.613
0.541
23.00
24x1.5
M
24.00
1.50
0.217
23.026
22.160
22.376
0.920
0.812
22.50
24x2.0
M
24.00
2.00
0.289
22.701
21.546
21.835
1.227
1.083
22.00
25x1.0
M
25.00
1.00
0.144
24.350
23.773
23.917
0.613
0.541
24.00
25x1.5
M
25.00
1.50
0.217
24.026
23.160
23.376
0.920
0.812
23.50
25x2.0
M
25.00
2.00
0.289
23.701
22.546
22.835
1.227
1.083
23.00
27x1.0
M
27.00
1.00
0.144
26.350
25.773
25.917
0.613
0.541
26.00
27x1.5
M
27.00
1.50
0.217
26.026
25.160
25.376
0.920
0.812
25.50
27x2.0
M
27.00
2.00
0.289
25.701
24.546
24.835
1.227
1.083
25.00
28x1.0
M
28.00
1.00
0.144
27.350
26.773
26.917
0.613
0.541
27.00
28x1.5
M
28.00
1.50
0.217
27.026
26.160
26.376
0.920
0.812
26.50
28x2.0
M
28.00
2.00
0.289
26.701
25.546
25.835
1.227
1.083
26.00