What Is Cross Threading a Bolt?

Cross-threading occurs when the threaded fastener (bolt, screw) is received into a threaded nut or hole wherein the threads are not in proper alignment.

What causes cross threading?

Cross-threading is usually caused by the fastener being applied at an angle to the proper position and being forced onto the bolt. The threads of a bolt or nut are designed to engage with the axis of each aligned, which allows the peaks and valleys of the threads to slide across each other.

What does threading a bolt mean?

Threading is the process of creating screw threads for fastening things together. Threaded parts are common, and for a good reason: threads allow parts to be joined together easily and at a low cost. Manufacturers create them using various methods for use with dozens of different types of fasteners.