| P
|
Pitch (Coarse thread) |
| Fine thread |
| Fine thread |
| b
|
Ref. |
| dk
|
max （plain head） |
| max （knurled heads） |
| min |
| k
|
max |
| min |
| s
|
Nominal Size |
| max |
| min |
| t
|
min |
|
| 0.4 |
0.45 |
0.5 |
| - |
- |
- |
| - |
- |
- |
| 16 |
17 |
18 |
| 3.8 |
4.5 |
5.5 |
| 3.98 |
4.68 |
5.68 |
| 3.62 |
4.32 |
5.32 |
| 2 |
2.5 |
3 |
| 1.86 |
2.36 |
2.86 |
| 1.5 |
2 |
2.5 |
| 1.56 |
2.06 |
2.58 |
| 1.52 |
2.02 |
2.52 |
| 1 |
1.1 |
1.3 |
|
