Source: How Products Are Made Cutting threads is time-consuming ... which cuts the internal threads using a tap. There’s much more to screw threads than this quick tour, of course.

The guys from the YouTube channel How To Make Everything have been looking at one such sketch, a screw thread-cutting machine. At first glance, it seems a little flawed. Threads are hard to make ...

One of the most critical decisions for tapping aluminum is the selection of a suitable tap geometry. Generally, spiral-fluted or straight-fluted taps can be used; the choice depends on the application ...