mandrel
/ˈmændrəl/
noun
- A metal rod or bar used to hold or shape material being worked on, especially in machining or metalworking.
- The machinist inserted the mandrel into the lathe to support the pipe.
- A mandrel is essential for bending metal tubes without collapsing them.
- He used a tapered mandrel to expand the ring to the correct size.
Synonyms