|
|
|
The preferred metric screw thread is the Coarse Thread Pitch. If this is not suitable due to wall thickness and space considerations, the Fine Thread Pitch is available.
| Size (mm) |
Pitch (mm) |
Tap Drill (mm) |
Clearance Drill (mm) |
| 1.6 |
0.35 |
1.25 |
1.8 |
| 2 |
0.4 |
1.60 |
2.4 |
| 2.5 |
0.45 |
2.00 |
2.90 |
| 3 |
0.5 |
2.50 |
3.40 |
| 3.5 |
0.6 |
2.90 |
3.90 |
| 4 |
0.7 |
3.30 |
4.50 |
| 5 |
0.8 |
4.20 |
5.50 |
| 6 |
1 |
5.00 |
6.60 |
| 8 |
1.25 |
6.80 |
9.00 |
| 10 |
1.5 |
8.50 |
12.00 |
| 12 |
1.75 |
10.20 |
14.00 |
| 14 |
2 |
12.00 |
16.00 |
| 16 |
2 |
14.00 |
18.00 |
| 20 |
2.5 |
17.50 |
22.00 |
| 22 |
2.5 |
19.50 |
25.00 |
| 24 |
3 |
21.00 |
27.00 |
| 27 |
3 |
24.00 |
30.00 |
| 30 |
3.5 |
26.50 |
33.00 |
| 36 |
4 |
32.00 |
40.00 |
| 42 |
4.5 |
37.50 |
46.00 |
| 48 |
5 |
43.00 |
53.00 |
| 56 |
5.5 |
50.50 |
62.00 |
| 64 |
6 |
58.00 |
70.00 |
| 72 |
6 |
|
|
| 80 |
6 |
|
|
| 90 |
6 |
|
|
| 100 |
6 |
|
|
|