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I've seen the listing on those and other 'clone' import parts and I always wonder if the threads are quality or what I'm used to seeing on 'clone' imported music instruments.

I've made it a practice to NOT buy any threaded parts unless I KNOW what the thread dimensions are and whether they are cut properly.

bloke wrote:... Jinbao is usually 3M X .5...

USUALLY? .. even with the correct major and minor dimensions? From my experience the threads are just one notch above the ones made in India!