A die nut is created with interrupted sections of thread around its internal diameter. Die nuts are simply screwed onto the threaded part. As they are wound down, they cut away any of the screw thread that is bruised (bent over) or out of line. A die nut cuts irregularities and scrapes off the dirt from the thread it is being used on so needs cutting edges, which are formed by the cut-away places.
The design for this article is my everyday carry knife, a four-inch (100 mm) dropped hunter—an all-round knife whose blade is ample, large enough to skin that buck and small enough to carry all day without getting in the way.
So it was time to start fabricating my own parts and for that I would need a so-called English wheel machine to mould the tank, guards, seat pan etc. But buying such a machine was “off the budget” as they come with a hefty price tag.
The next option was to build one. With not a lot of plans available, I could see that I’d have some homework to do.
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