Pipe threading machines provide a workstation for high-volume threading jobs that require accurate cuts and faster threading than handheld power threaders. Their adjustable die heads cut a range of pipe sizes with a single set of dies, and their large work surface supports pipe. Extra-long lengths of pipe may require additional support from a pipe stand. Pipe threading machines rotate their die head around pipe, conduit, bolts, and rods to cut or repair external threads that mate with internal threads on fittings or fasteners. They are commonly used when installing new pipe or replacing damaged sections of pipe.