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Weld nuts are designed to be welded to steel objects and come in various styles for specific functions. They are stronger than regular nuts and can be used in channels or hollow pipes. Welded fastener nuts are also used in assembly lines to save time and money.
Weld nut is a special nut made to be welded to another object or piece of steel. Offered in many different styles and designs, each weld nut is intended to perform a particular function based on a certain set of parameters. One of the differences between a weld nut and a common nut is the material added compared to a typical nut. The added material allows the weld nut to be welded to another piece of steel while maintaining its shape and size. Often, when welding a common nut to a piece of steel, the nut melts and is left too thin in some areas.
Some types of weld nuts are intended for use within a channel or hollow square pipe. This not only gives added strength to the channel or tube, but provides a mounting point for additional accessories in areas that don’t have backside access. This allows you to tighten and remove the part with just one wrench. It also ensures that the part will fit in exactly the same position with no variation resulting from a slipped bolt. This also allows a mechanic to make repairs without needing a helper to hold the back side of a bolt while tightening or loosening.
When a length of pipe needs to have threads in both ends to secure joints or other fasteners, a type of nut welded to the end of the pipe is placed into each end of the hollow pipe and welded in place. This allows you to thread each end over a component and secure it in place. This type of construction is widely used in the design of automobile chassis, the linkage of the gearbox and throttle, as well as the production of struts and stiffeners. This procedure is much less expensive than threading the entire length of the tube. It also provides greater strength than cutting material from the entire length of pipe to add threads.
In an effort to speed assembly and save time and money, many manufacturers have started using welded fastener nuts on the assembly line. This type of weld nut has a flange welded to a steel component along with a loose or movable nut attached to the flange. This allows the die to be placed in many different configurations to compensate for inconsistencies and assembly line variations. Having this type of weld nut allows for positive and negative tolerances in assembly line manufacturing.
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