The Canadian CMPs were pretty much all National Fine and National coarse, with the exception of the wheels, which had left hand and right hand BSF...5/8 for the studs.
Taps and dies are not ideal for rethreading, and I find that you will wear them out fairly quickly using them to re-thread. The proper tools are thread chasers. A good kit of those will run you around $100 to $150, and last much longer than taps and dies. Photo below is a kit I recently purchased, sold by Gray tools, and I have been very happy with it. You can also buy sets of thread files which will have most of the threads per inch on them for chasing some of the larger threads like on shafts. There is one included in the kit shown....I bought a set of four which included metric threads as well as UNF/UNC. However, it is missing some of the TPIs used on BSF in case you get into the British equipment at some point.
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06-04-20, 14:00
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