| |
clearance holes for metric bolts |
| |
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
|
|
|
|
|
|
|
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