Hand threaders are tools used to cut threads at the end of pipes. They are available in sets with interchangeable dies and can work on different materials. They are used in custom fabrication and when mechanical threaders are not available. Hand threaders require considerable force and come in light and heavy models. They can be rented for temporary projects.
A hand threader is a pipe working tool that allows an operator to cut the threads at the end of a pipe. Pipe manufacturers often thread their pipes to preset lengths and sizes, but it may be necessary to cut custom threads for a particular operation. Threading machines can work on metal, plastic and other materials and are often available in sets with interchangeable dies. The operator can select the most appropriate die for the application and insert it into the manual threader to prepare it for pipe threading.
Threaders cut a series of fine lines off the end of a tube. These allow a technician to connect pipes by screwing the threaded end into a component with matching internal threads. One occasion to use a hand threader is on a project where the tubes need to be cut to custom lengths. The operator can cut the tubing to length and thread each end as needed. Hand threaders are also used in the custom fabrication of piping products where a mechanical threader may not be affordable or available.
The typical hand threader consists of a large rotating tool with a hole in the head for the die. To use it, the technician locks the pipe in place, measures it to select the right die, and inserts the die into the threader. The operator should also trim any burrs and debris in the tube to ensure it fits snugly. Once this is done, the hand threader can be fitted to the end of the tube and rotated to cut the threads. Considerable force may be required with heavy materials.
Some models of hand threaders are relatively light in weight and useful for home improvement projects or applications where they are not used routinely. Professional models are heavier and include stronger, more durable components. These are needed for people like plumbing contractors, as they may need to cut threads in pipes on a very regular basis. Several interchangeable dies allow operators to choose from different diameters and thread designs.
It may be possible to rent a hand threader for a specific project. Some hardware stores and tool libraries have a rental program for members of the public who need tools, but only on a temporary basis. Rental facility staff should provide brief orientation and instruction to ensure the renter knows how to use the equipment properly and can offer advice on appropriate lubricants and other accessories to use.
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