MANDREL is a cylindrical tool used in metalworking and woodworking. It is typically used to shape and form objects by spinning them while applying pressure. The term MANDREL can be broken down into four crossword solutions: AXLE (4 letters), SPINDLE (7 letters), MANDRIL (7 letters), and ROD (3 letters). An AXLE is a shaft that connects two or more rotating parts, such as wheels. A SPINDLE is a cylindrical ROD that holds an object in place while it is being worked on. A MANDRIL is a type of mandrel that has a hole in the center for mounting the object being worked on. Finally, a ROD is a long, thin, cylindrical object.