Thread surface not according to requirements
BACK
| Possible causes | Solution |
| Surface in die too rough | Apply lapped die |
| Lubrication not optimal | Improve lubrication |
| Cold welding in the flanks | Check and clean flanks of thread |
| Possible causes | Solution |
| Surface in die too rough | Apply lapped die |
| Lubrication not optimal | Improve lubrication |
| Cold welding in the flanks | Check and clean flanks of thread |