After a 100 of these, I think someone would have to lock me in a psych ward!
Its Cool, they let me out on weekends and public holidays
If you set your mind to the task and have 6 months to make, 4 to5 a week, it can be done
The Chinnys are this years Exchange, 85 done, home run now. Monotonous but doable,then the Variations appear
Yes Skippy, any nut and bolt can change the pitch, I have even seen a double cutter that cuts 2 threads, while turning the coarser left side wheel thread. I find for 70mm diameter boxes, the 3/4 x 16 tpi gives correct thread size.
My 30 yr old lathe has a long 3/4 x 16 thread on the head stock,, I mount the dremel on the tool holder and just unscrew the chuck
to cut the threads direct. Alas the new lathes today have only short ended spindles