Need to thread a switch

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Need to thread a switch

New postby the-mailman on Wed Jun 12, 2019 4:50 pm

I bought a second hand DX6 and one of the switches was missing its nut because the seller could not get it on. Don't know why he took it off, but anyway when I tried to screw it on it is cross-threaded so bad it won't go on more that a turn or two. Does anyone have a die to cut M6 x .75 I can use to re-cut the threads? Pretty sure that's what the thread is, but we could check the thread on the nut to be sure as the nut is OK. I tried it on another switch and it screwed on fine.

Thanks
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Re: Need to thread a switch

New postby bdg on Wed Jun 12, 2019 11:34 pm

So close, Bruce... I have a 60-piece Mastercraft tap and die set. M5-.8 and M6-1.0 are the closest in the set. Sorry! I might be easiest to pick up a single die?

Brian
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Re: Need to thread a switch

New postby the-mailman on Thu Jun 13, 2019 3:21 pm

I've got that size too, but the threads are finer. I may end up re-cutting it with that size if all else fails.
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Re: Need to thread a switch

New postby JohnOSullivan on Thu Jun 13, 2019 3:39 pm

If the switch works OK , why not just glue it into place with epoxy.
John
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Re: Need to thread a switch

New postby the-mailman on Sat Jun 15, 2019 5:23 pm

Thanks everyone who help me with my switch trouble. Luckily Bob had an old broken switch. Oddly enough the beauty nut on it fit my switch perfectly even though the nut I had fit all the other switches on my transmitter, I checked, but not on his broken switch or even my switch. I can't fathom how one switch would have a different thread than all the rest or why his fit, but I'm all set now.

Bruce
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Re: Need to thread a switch

New postby under8 on Sun Jun 16, 2019 7:10 am

Likely one is 1/4-40 and the other 6mm; both are use in small switch bushings. If the nut binds after a turn or so but is still square on the bushing it's not cross-threaded, it's the wrong thread (inch size would be equivalent of metric 6.35mmx.635, would be a little extra loose until it binds).
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