Ref:- http://www.draughtsman.co.uk/information_images/mechanical/clearance_holes.htm
Note:- Tolerance Stack up is needed after apply the Clearacne hole dimension.
Ref : -http://www.brook-tech.fsnet.co.uk/Clearance%20Holes%20+%20Tolerance.pdf
THREAD |
CLEARANCE HOLE | ||
|---|---|---|---|
CLOSE FIT |
MEDIUM FIT |
FREE FIT | |
M1.6 |
1.7 |
1.8 |
2.0 |
M2 |
2.2 |
2.4 |
2.6 |
M2.5 |
2.7 |
2.9 |
3.1 |
M3 |
3.2 |
3.4 |
3.6 |
M4 |
4.3 |
4.5 |
4.8 |
M5 |
5.3 |
5.5 |
5.8 |
M6 |
6.4 |
6.6 |
7.0 |
M7 |
7.4 |
7.6 |
8.0 |
M8 |
8.4 |
9.0 |
10.0 |
M10 |
10.5 |
11.0 |
12.0 |
M12 |
13.0 |
14.0 |
15.0 |
M14 |
15.0 |
16.0 |
17.0 |
M16 |
17.0 |
18.0 |
19.0 |
M18 |
19.0 |
20.0 |
21.0 |
M20 |
21.0 |
22.0 |
24.0 |
M22 |
23.0 |
24.0 |
26.0 |
M24 |
25.0 |
26.0 |
28.0 |
M27 |
28.0 |
30.0 |
32.0 |
M30 |
31.0 |
33.0 |
35.0 |
M33 |
34.0 |
36.0 |
38.0 |
M36 |
37.0 |
39.0 |
42.0 |
M39 |
40.0 |
42.0 |
45.0 |
M42 |
43.0 |
45.0 |
48.0 |
M45 |
46.0 |
48.0 |
50.0 |
M48 |
50.0 |
52.0 |
54.0 |
M52 |
54.0 |
56.0 |
58.0 |
Note:- Tolerance Stack up is needed after apply the Clearacne hole dimension.
Ref : -http://www.brook-tech.fsnet.co.uk/Clearance%20Holes%20+%20Tolerance.pdf
