Uploaded April 2023 | Updated September 2026, 2 weeks ago
See how you can quickly make up a special mandrel to hold allen screws, so that you can re-machine them, cutting smaller threads or shortening them.
These mandrels can be made by anyone with basic machining skills on most metal turning lathes. There is no milling or screw-cutting involved in making them.
See how you can quickly make up a special mandrel to hold allen screws, so that you can re-machine them, cutting smaller threads or shortening them.
These mandrels can be made by anyone with basic machining skills on most metal turning lathes. There is no milling or screw-cutting involved in making them.
