What does TPI stand for in threading contexts?

In threading contexts, TPI stands for Threads Per Inch. This term is essential as it indicates the density of threads present on a screw or a threaded rod within a one-inch length. Essentially, TPI is a measure of how tightly the threads are spaced; a higher TPI means more threads in the same length, which can impact the strength, engagement, and suitability of a threaded component for specific applications.

Understanding TPI is crucial for machinists and engineers as it informs both the design and specifications necessary for threaded assemblies to function effectively within their intended mechanics. For example, when dealing with precision machinery, knowing the exact TPI allows for better functionality and compatibility between components.