A metal tube used to support molten glass as it is formed into a bead. The mandrel creates the hole in the bead.
a cylindrical male mold that functions somewhat akin to a rolling pin
A cylinder looking unit that is used with coil binding machines with a coil inserter. The coil winds around the mandrel before being inserted into the punched document. The size of the mandrel depends on the size of coil being used.
A form used when making coils and bends with wire. This is a sturdy, straight, cylindrical form used to create coils and bends in wire.
A mandrel is a metal rod used to coil molten glass in order to make a bead.