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I think I'll just settle for CA glue, as that seemed to would the best.

As explained a few times now, thats not an option unfortunately.

I can't do anything like that. The motor has a threaded shaft like this : A piece screws onto the thread. Usually the motor only rotates one way, such that it can only screw on tighter. But I am now using it in a project where the motor can reverse. - I can't grind a flat on the thread as...

Well, the 638 arrived today. Applied it to a nut on an M8 bolt and gave it 24 hours to cure. Was able to dismantle it with relative ease using two spanners :( Maybe I'm not degreasing it thoroughly enough? what do you use to properly clean the threads?

Yeah, if you search ebay for Loctite, 95% of the results are for what looks like a Chinese knockoff. But I went with one of the Henkel ones

Very nice! Have you done the silly* 5 cut test method to get it to within 1/8th of one thou? :LOL: *I only say it's silly because that kind of accuracy will be lost over night if the sled is made from wood, but the folks on youtube like to brag about it anyway.

I now have some 638 on order 👍🏼 In the mean time, I did some tests with CA glue and some threaded locker I found in the house. I believe its 871. Just securing a nut to some M8 thread. After 12 hours to cure (probably needs 24 hrs) I was surprised by the results. The CA was actually harder to...

There are so many types all saying permanent 263, 270, 638 etc 😳 Edit: looks like 638 is a retaining compound which is supposed to form a stronger bond than thread lockers. Hmmmm

I can't use anything like that sadly. I need to use the original nut. Can't use a pin either. Basically I am looking for a glue. Something that would make it very difficult to even undo the nut with a spanner.

I need to permanently lock a nut to some M8 thread. There isn't enough room to weld it. Out of Loctite 263 or JB weld (or something else?), which is going to give me the strongest connection? I'll be using it on a motor shaft, that will rotate in both directions.

Yes, it's a wood lathe. I'd love a metal lathe, but simply don't have the space. Whenever I come across operations like this, my initial thought is always, what's an accurate way of doing it? As explained earlier in the post, my drill press was setup for another operation. And this seemed like...

That was the point of the question.

:LOL::LOL::LOL:

The reason for not using the drill press was that I had it setup for another operation and didn't want to loose the configuration. In my naivety I thought the lathe would be perfect for this operation, as it automatically centers the hole :)

When did I say someone was wrong?

How would you have more success with a cordless drill? How would you even center it without making another jig? Can you explain the machining principles it breaks?

Ah ok. So I guess you'd have to center it up yourself then?

Really? ...

I appreciate this can be done on the drill press, ..but lets say you needed it done on the lathe, in my case, a wood lathe. I wanted to drill a side hole at the end of this aluminium round bar. However, positioning in the chuck as shown below results in the piece moving/pivoting as pressure is...