Cutting threads with a milling machine.
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Thread rolling cylindrical dies - GIF
80 threads per inch fastener close-up - photo
Thread rolling machine - GIF
Bolt threading GIF
I have often wondered about doing something similar on a lathe with a cutter like that in a tool post grinder. I guess I will just go buy myself a CNC mill instead. LOL!!!
I've heard this called threadmilling. The appeal is that if the cutting tool breaks off it is a lot easier to get it out of a hole compared to a tap.
Yeh, and the thread is only worth $100,000.
Yes but think of all the trips you would save running to the hardware for the right size bolts!!
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