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Thread cutting in metal with know-how and insider tips

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There are many different threads for the metal sector: Metric ISO threads, Whitworth threads, trapezoidal threads, round threads, buttress threads, flat threads, left-hand threads, right-hand threads, fine threads and much more. Treating all these threads in one workshop is of course far beyond the scope. However, this is not necessary at all. I am assuming that at least 90 percent of the threads a maker needs are ISO metric female and male threads. This is also the most common screw connection in European mechanical engineering.

At the beginning we have to distinguish between two basic threads: The External thread, i.e. the thread on a round material (for example on a screw), and the inner thread, the thread in a hole (e.g. in a nut or a borehole).

More make projects and tools:

We will show the production of both types of thread and start with the internal thread.

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