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How to keep an M8 screw tight into an M8 nut for adjustment.

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Plasma17/04/2019 19:40:52
443 forum posts
1 photos

Not sure if kilopoise is unavailable but I have a large tin of it bought to use in shock absorbers for a model tank. Only used a thimble full so plenty left.

It's the stuff they use to make the movement of camera threads, etc. Smooth and silky.

Not sure what it would be like for the application you have in mind.

Best regards Mick

andrew lyner17/04/2019 23:34:26
274 forum posts
5 photos

I decided to use simple locknuts and it seems they only need be done up finger tight to keep the bronze domes in contact. The clamp works a treat; very firm and stops the pieces from wobbling even under a heavy cutting load. Once I get the three screws set right, there is no serious movement but the pads just wear a shallow groove - no problem.

PS I really could have done with some of your gunk a few years ago when I had a zoom lens that would move itself whenever it was on a slope. My heaviest grease was no use at all!.

It was cheap and I threw it out, iirc.

not done it yet18/04/2019 07:56:47
7517 forum posts
20 photos

It was cheap and I threw it out, iirc.

The grease or the lens?

andrew lyner18/04/2019 10:06:58
274 forum posts
5 photos

I still have a large supply of lubricants but I have moved up in optical quality.

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