METRIC THREAD CHART
| Nominal |
Thread |
Major |
Pitch |
Root |
Pitch |
Minor |
Minor |
Thread |
Thread |
Tap |
| Size |
Form |
Diameter |
mm |
Radius |
Diameter |
Diameter |
Diameter |
Height |
Height |
Drill |
| ISO MF |
Type |
mm |
p |
mm |
mm |
Male Thd. |
Female Thd. |
Male Thd. |
Female Thd. |
Diameter |
| |
|
d=D |
|
r |
d2=D2 |
d3 |
D1 |
h3 |
H1 |
mm |
| 1.0x0.2 |
M |
1 |
0.2 |
0.029 |
0.87 |
0.755 |
0.783 |
0.123 |
0.108 |
0.8 |
| 1.1x0.2 |
M |
1.1 |
0.2 |
0.029 |
0.97 |
0.855 |
0.883 |
0.123 |
0.108 |
0.9 |
| 1.2x0.2 |
M |
1.2 |
0.2 |
0.029 |
1.07 |
0.955 |
0.983 |
0.123 |
0.108 |
1 |
| 1.4z0.2 |
M |
1.4 |
0.2 |
0.029 |
1.27 |
1.155 |
1.183 |
0.123 |
0.108 |
1.2 |
| 1.6x0.2 |
M |
1.6 |
0.2 |
0.029 |
1.47 |
1.355 |
1.383 |
0.123 |
0.108 |
1.4 |
| 1.8x0.2 |
M |
1.8 |
0.2 |
0.029 |
1.67 |
1.555 |
1.583 |
0.123 |
0.108 |
1.6 |
| 2x0.25 |
M |
2 |
0.25 |
0.036 |
1.838 |
1.693 |
1.729 |
0.153 |
0.135 |
1.75 |
| 2.2x0.25 |
M |
2.2 |
0.25 |
0.036 |
2.038 |
1.893 |
1.929 |
0.153 |
0.135 |
1.95 |
| 2.5x0.35 |
M |
2.5 |
0.35 |
0.051 |
2.273 |
2.071 |
2.121 |
0.215 |
0.189 |
2.1 |
| 3x0.35 |
M |
3 |
0.35 |
0.051 |
2.773 |
2.571 |
2.621 |
0.215 |
0.189 |
2.6 |
| 3.5x0.35 |
M |
3.5 |
0.35 |
0.051 |
3.273 |
3.071 |
3.121 |
0.215 |
0.189 |
3.1 |
| 4x0.5 |
M |
4 |
0.5 |
0.072 |
3.675 |
3.387 |
3.459 |
0.307 |
0.271 |
3.5 |
| 4.5x0.5 |
M |
4.5 |
0.5 |
0.072 |
4.175 |
3.887 |
3.959 |
0.307 |
0.271 |
4 |
| 5x0.5 |
M |
5 |
0.5 |
0.072 |
4.675 |
4.387 |
4.459 |
0.307 |
0.271 |
4.5 |
| 5.5x0.5 |
M |
5.5 |
0.5 |
0.072 |
5.175 |
4.887 |
4.959 |
0.307 |
0.271 |
5 |
| 6x0.75 |
M |
6 |
0.75 |
0.108 |
5.513 |
5.08 |
5.188 |
0.46 |
0.406 |
5.2 |
| 7x0.75 |
M |
7 |
0.75 |
0.108 |
6.513 |
6.08 |
6.188 |
0.46 |
0.406 |
6.2 |
| 8x0.75 |
M |
8 |
0.75 |
0.108 |
7.513 |
7.08 |
7.188 |
0.46 |
0.406 |
7.2 |
| 8x1.0 |
M |
8 |
1 |
0.144 |
7.35 |
6.773 |
6.917 |
0.613 |
0.541 |
7 |
| 9x0.75 |
M |
9 |
0.75 |
0.108 |
8.513 |
8.08 |
8.188 |
0.46 |
0.406 |
8.2 |
| 9x 1 |
M |
9 |
1 |
0.144 |
8.35 |
7.773 |
7.917 |
0.613 |
0.541 |
8 |
| 10x0.75 |
M |
10 |
0.75 |
0.108 |
9.513 |
9.08 |
9.188 |
0.46 |
0.406 |
9.2 |
| 10x1 |
M |
10 |
1 |
0.144 |
9.35 |
8.773 |
8.917 |
0.613 |
0.541 |
9 |
| 10x1.25 |
M |
10 |
1.25 |
0.18 |
9.188 |
8.466 |
8.647 |
0.767 |
0.677 |
8.8 |
| 11x0.75 |
M |
11 |
0.75 |
0.108 |
10.513 |
10.08 |
10.188 |
0.46 |
0.406 |
10.2 |
| 11x1 |
M |
11 |
1 |
0.144 |
10.35 |
9.773 |
9.917 |
0.613 |
0.541 |
10 |
| 12x1 |
M |
12 |
1 |
0.144 |
11.35 |
10.773 |
10.917 |
0.613 |
0.541 |
11 |
| 12x1.25 |
M |
12 |
1.25 |
0.18 |
11.188 |
10.466 |
10.647 |
0.767 |
0.677 |
10.8 |
| 12x1.5 |
M |
12 |
1.5 |
0.217 |
11.026 |
10.16 |
10.376 |
0.92 |
0.812 |
10.5 |
| 14x1.0 |
M |
14 |
1 |
0.144 |
13.35 |
12.773 |
12.917 |
0.613 |
0.541 |
13 |
| 14x1.25 |
M |
14 |
1.25 |
0.18 |
13.188 |
12.466 |
12.647 |
0.767 |
0.677 |
12.8 |
| 14x1.5 |
M |
14 |
1.5 |
0.217 |
13.026 |
12.16 |
12.376 |
0.92 |
0.812 |
12.5 |
| 15x1 |
M |
15 |
1 |
0.144 |
14.35 |
13.773 |
13.917 |
0.613 |
0.541 |
14 |
| 15x1.5 |
M |
15 |
1.5 |
0.217 |
14.026 |
13.16 |
13.376 |
0.92 |
0.812 |
13.5 |
| 16x1 |
M |
16 |
1 |
0.144 |
15.35 |
14.773 |
14.917 |
0.613 |
0.541 |
15 |
| 16x1.5 |
M |
16 |
1.5 |
0.217 |
15.026 |
14.16 |
14.376 |
0.92 |
0.812 |
14.5 |
| 17x1.0 |
M |
17 |
1 |
0.144 |
16.35 |
15.773 |
15.917 |
0.613 |
0.541 |
16 |
| 17x1.5 |
M |
17 |
1.5 |
0.217 |
16.026 |
15.16 |
15.376 |
0.92 |
0.812 |
15.5 |
| 18x1.0 |
M |
18 |
1 |
0.144 |
17.35 |
16.773 |
16.917 |
0.613 |
0.541 |
17 |
| 18x1.5 |
M |
18 |
1.5 |
0.217 |
17.026 |
16.16 |
16.376 |
0.92 |
0.812 |
16.5 |
| 18x2.0 |
M |
18 |
2 |
0.289 |
16.701 |
15.546 |
15.835 |
1.227 |
1.083 |
16 |
| 20x1.0 |
M |
20 |
1 |
0.144 |
19.35 |
18.773 |
18.917 |
0.613 |
0.541 |
19 |
| 20x1.5 |
M |
20 |
1.5 |
0.217 |
19.026 |
18.16 |
18.376 |
0.92 |
0.812 |
18.5 |
| 20x2.0 |
M |
20 |
2 |
0.289 |
18.701 |
17.546 |
17.835 |
1.227 |
1.083 |
18 |
| 22x1.0 |
M |
22 |
1 |
0.144 |
21.35 |
20.773 |
20.917 |
0.613 |
0.541 |
21 |
| 22x1.5 |
M |
22 |
1.5 |
0.217 |
21.026 |
20.16 |
20.376 |
0.92 |
0.812 |
20.5 |
| 22x2.0 |
M |
22 |
2 |
0.289 |
20.701 |
19.546 |
19.835 |
1.227 |
1.083 |
20 |
| 24x1.0 |
M |
24 |
1 |
0.144 |
23.35 |
22.773 |
22.917 |
0.613 |
0.541 |
23 |
| 24x1.5 |
M |
24 |
1.5 |
0.217 |
23.026 |
22.16 |
22.376 |
0.92 |
0.812 |
22.5 |
| 24x2.0 |
M |
24 |
2 |
0.289 |
22.701 |
21.546 |
21.835 |
1.227 |
1.083 |
22 |
| 25x1.0 |
M |
25 |
1 |
0.144 |
24.35 |
23.773 |
23.917 |
0.613 |
0.541 |
24 |
| 25x1.5 |
M |
25 |
1.5 |
0.217 |
24.026 |
23.16 |
23.376 |
0.92 |
0.812 |
23.5 |
| 25x2.0 |
M |
25 |
2 |
0.289 |
23.701 |
22.546 |
22.835 |
1.227 |
1.083 |
23 |
| 27x1.0 |
M |
27 |
1 |
0.144 |
26.35 |
25.773 |
25.917 |
0.613 |
0.541 |
26 |
| 27x1.5 |
M |
27 |
1.5 |
0.217 |
26.026 |
25.16 |
25.376 |
0.92 |
0.812 |
25.5 |
| 27x2.0 |
M |
27 |
2 |
0.289 |
25.701 |
24.546 |
24.835 |
1.227 |
1.083 |
25 |
| 28x1.0 |
M |
28 |
1 |
0.144 |
27.35 |
26.773 |
26.917 |
0.613 |
0.541 |
27 |
| 28x1.5 |
M |
28 |
1.5 |
0.217 |
27.026 |
26.16 |
26.376 |
0.92 |
0.812 |
26.5 |
| 28x2.0 |
M |
28 |
2 |
0.289 |
26.701 |
25.546 |
25.835 |
1.227 |
1.083 |
26 |
| 30x1.0 |
M |
30 |
1 |
0.144 |
29.35 |
28.773 |
28.917 |
0.613 |
0.541 |
29 |
| 30x1.5 |
M |
30 |
1.5 |
0.217 |
29.026 |
28.16 |
28.376 |
0.92 |
0.812 |
28.5 |
| 30x2.0 |
M |
30 |
2 |
0.289 |
28.701 |
27.546 |
27.835 |
1.227 |
1.083 |
28 |
| 30x3.0 |
M |
30 |
3 |
0.433 |
28.051 |
26.319 |
26.752 |
1.84 |
1.624 |
27 |
| 32x1.5 |
M |
32 |
1.5 |
0.217 |
31.026 |
30.16 |
30.376 |
0.92 |
0.812 |
30.5 |
| 32x2.0 |
M |
32 |
2 |
0.289 |
30.701 |
29.546 |
29.835 |
1.227 |
1.083 |
30 |
| 33x1.5 |
M |
33 |
1.5 |
0.217 |
32.026 |
31.16 |
31.376 |
0.92 |
0.812 |
31.5 |
| 33x2.0 |
M |
33 |
2 |
0.289 |
31.701 |
30.546 |
30.835 |
1.227 |
1.083 |
31 |
| 33x3.0 |
M |
33 |
3 |
0.433 |
31.051 |
29.319 |
29.752 |
1.84 |
1.624 |
30 |
| 35x1.5 |
M |
35 |
1.5 |
0.217 |
34.026 |
33.16 |
33.376 |
0.92 |
0.812 |
33.5 |
| 35x2.0 |
M |
35 |
2 |
0.289 |
33.701 |
32.546 |
32.835 |
1.227 |
1.083 |
33 |
| 36x1.5 |
M |
36 |
1.5 |
0.217 |
35.026 |
34.16 |
34.376 |
0.92 |
0.812 |
34.5 |
| 36x2.0 |
M |
36 |
2 |
0.289 |
34.701 |
33.546 |
33.835 |
1.227 |
1.083 |
34 |
| 36x3.0 |
M |
36 |
3 |
0.433 |
34.051 |
32.319 |
32.752 |
1.84 |
1.624 |
33 |
| 39x1.5 |
M |
39 |
1.5 |
0.217 |
38.026 |
37.16 |
37.376 |
0.92 |
0.812 |
37.5 |
| 39x2.0 |
M |
39 |
2 |
0.289 |
37.701 |
36.546 |
36.835 |
1.227 |
1.083 |
37 |
| 39x3.0 |
M |
39 |
3 |
0.433 |
37.051 |
35.319 |
35.752 |
1.84 |
1.624 |
36 |
| 40x1.5 |
M |
40 |
1.5 |
0.217 |
39.026 |
38.16 |
38.376 |
0.92 |
0.812 |
38.5 |
| 40x2.0 |
M |
40 |
2 |
0.289 |
38.701 |
37.546 |
37.835 |
1.227 |
1.083 |
38 |
| 40x3.0 |
M |
40 |
3 |
0.433 |
38.051 |
36.619 |
36.752 |
1.84 |
1.624 |
37 |
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