An average lathe machine has just one spindle to perform The task. But, Other people may have several spindles to enhance efficiency. Then do non-native threads with out disconnecting the mechanical relationship, how All people Usually does it. Only then master the 50 percent nut trick in order to thread https://typesofroofflashing52839.blogozz.com/28896439/what-does-types-of-screwdriver-heads-names-mean