TechnologyAugust 15, 2026
mandrel
MAN-drul
Definition
A metal shaft or spindle used as a core or support for holding a workpiece in a lathe or similar machine while it is being shaped.
Etymology
The word likely comes from the French 'mandrin' or the Italian 'mandrino,' which refer to a chuck or spindle. It has been used in mechanical contexts in English since the 18th century to describe a support core for manufacturing objects.
In the news
In the article, the author describes using drawn-over-mandrel (DOM) steel pipe as the starting material for machining custom lock nuts. This is significant because it highlights the specific high-quality industrial tubing chosen to ensure enough material existed for accurate cutting.
When Threading Drives You Nuts
Read the full article ↗Cutting Tool Engineering