Limits for Metric (Standard) Coarse Threads
Nuts tolerance class 6H *** |
| Thread |
Normal
Engagement
Length |
Major
Diameter |
Pitch Diameter |
Minor Diameter*** |
| |
from |
to |
min. |
max. |
min. |
max. |
min. |
| M 1 |
0.6 |
1.7 |
1.000 |
0.838 |
0.894 |
0.729 |
0.785 |
| M 1.2 |
0.6 |
1.7 |
1.200 |
1.038 |
1.094 |
0.929 |
0.985 |
| M 1.4 |
0.7 |
2 |
1.400 |
1.205 |
1.265 |
1.075 |
1.142 |
| M 1.6 |
0.8 |
2.6 |
1.600 |
1.373 |
1.458 |
1.221 |
1.321 |
| M 1.8 |
0.8 |
2.6 |
1.800 |
1.573 |
1.658 |
1.421 |
1.521 |
| M 2 |
1 |
3 |
2.000 |
1.740 |
1.830 |
1.567 |
1.679 |
| M 2.5 |
1.3 |
3.8 |
2.500 |
2.208 |
2.303 |
2.013 |
2.138 |
| M 3 |
1.5 |
4.5 |
3.000 |
2.675 |
2.775 |
2.459 |
2.599 |
| M 3.5 |
1.7 |
5 |
3.500 |
3.110 |
3.222 |
2.850 |
3.010 |
| M 4 |
2 |
6 |
4.000 |
3.545 |
3.663 |
3.242 |
3.422 |
| M 5 |
2.5 |
7.5 |
5.000 |
4.480 |
4.605 |
4.134 |
4.334 |
| M 6 |
3 |
9 |
6.000 |
5.350 |
5.500 |
4.917 |
5.153 |
| M 7 |
3 |
9 |
7.000 |
6.350 |
6.500 |
5.917 |
6.153 |
| M 8 |
4 |
12 |
8.000 |
7.188 |
7.348 |
6.647 |
6.912 |
| M 10 |
5 |
15 |
10.000 |
9.026 |
9.206 |
8.376 |
8.676 |
| M 12 |
6 |
18 |
13.000 |
10.863 |
11.063 |
10.106 |
10.441 |
| M 14 |
8 |
24 |
14.000 |
12.701 |
12.913 |
11.835 |
12.210 |
| M 16 |
8 |
24 |
16.000 |
14.701 |
14.913 |
13.835 |
14.210 |
| M 18 |
10 |
30 |
18.000 |
16.376 |
16.600 |
15.294 |
15.744 |
| M 20 |
10 |
30 |
20.000 |
18.376 |
18.600 |
17.294 |
17.744 |
| M 22 |
10 |
30 |
22.000 |
20.376 |
20.600 |
19.294 |
19.744 |
| M 24 |
12 |
36 |
24.000 |
22.051 |
22.316 |
20.752 |
21.252 |
| M 27 |
12 |
36 |
27.000 |
25.051 |
25.316 |
23.752 |
24.252 |
| M 30 |
15 |
45 |
30.000 |
27.727 |
28.007 |
26.211 |
26.771 |
| M 33 |
15 |
45 |
33.000 |
30.727 |
31.007 |
29.211 |
29.771 |
| M 36 |
18 |
53 |
36.000 |
33.402 |
33.702 |
31.670 |
32.270 |
| M 39 |
18 |
53 |
39.000 |
36.402 |
36.702 |
34.670 |
35.270 |
|
| ***Note: M 1 - M 1.4 are given tolerance class 5H |
|
|
