Mandrel (tool)
The mandrel used as a tool is a long-tapered pen with a handle that is used to widen holes (as opposed to the awl used to make holes ). This is used, among other things, in the shoemaker's trade and tailoring .
There are also other mandrels in metal processing on the straightening plate , with which a workpiece can be clamped. Arbors are also used to calibrate bores in deformable workpieces, which are pushed onto the (conically pointed or rounded) mandrel.
As a mandrel , they serve as a holder for tools or workpieces which, for. B. to be set in a rotary motion with power tools or machine tools .