DIY Doctor

Which thread locker to use?

Postby jamesgs01 » Mon Jul 27, 2020 9:19 pm

Hello,

I have a new integrated shower installed with tiles going over the top of the containing wall in the next few days. When it is all complete, I need to screw the shower fixings into the sockets. One of the new shower fittings is plastic and the socket is brass - my question is which thread locker to use?

With the shape of the socket, I cannot guarantee that I will be able to screw it in really tight, so I really need to work out which thread locker to use instead of PTFE. I've done some research and it seems the usual Loctite will happily do metal-metal, and some people have suggested using plain old superglue for the metal-plastic thread, but I've also read that it doesn't do well with water over time?

What would people recommend?

Thanks very much!
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Postby stoneyboy » Tue Jul 28, 2020 10:19 pm

Hi jamesgs01
The only product I have found works is the good old ptfe tape. Perhaps others can suggest an alternative.
Regards S
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Postby jamesgs01 » Wed Jul 29, 2020 7:14 am

Will PTFE still work if it’s not done up really tight?

I kind of assumed it wouldn’t but on reflection I’ve no idea why!
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Postby stoneyboy » Wed Jul 29, 2020 5:27 pm

Hi jamesgs01
You just need to wrap enough ptfe round the thread so it is really stiff to insert, it does not need to be tightened down.
Regards S
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Postby jamesgs01 » Wed Jul 29, 2020 5:33 pm

Oh perfect, thanks very much!
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