Locking a thread... no , really!

[MontyVeda]

Loctite red is expensive if I'm only gonna use a couple of drops... and I don't want this thread to ever break free.

Options currently in the cupboard are;

superglue
gorilla glue
PVA
no more nails
gripfill
bathroom sealant
egg
flour
porridge oats
solder

...I'm open to suggestions.

 

[fossyant]

Superglue is surprisingly good, but you've got to work fast. I fixed a bearing race in some hubs with superglue, but had to be fast.

 

[slowmotion]

Nail varnish is worth a go.

 

[guitarpete247]

£4 from Halfords.

 

[MontyVeda]

Superglue is surprisingly good, but you've got to work fast. I fixed a bearing race in some hubs with superglue, but had to be fast.

yes... i discovered that when gluing my copper curtain pole together.

Nail varnish is worth a go.

I'll have a look in the cupboard 💅

 

[gbb]

Of your available ingredients, id go gripfill or no more nails, although fuxed and soldered may be really quite good if you have a blowtorch, i wouldnt think youd generate enough heat with a soldering iron.

 

[neil_merseyside]

A drop of superglue at the bottoming out point is fairly safe for assembly speed, along with some on the screw countersink, but I might just be tempted to give the threaded tube a damn good squeeze in a vice.

 

[Gunk]

Bathroom silicone works, I’ve used it on motorcycles for years, when I’ve got a thread that I’m never going to break. You just need a tiny dab

 

[sleuthey]

Stick it in a vice. Stick a load of flux in it. Screw the male in half way. Heat it up with a blow torch. Feed some solder into it. Then very quickly nip it up before the solder sets.

 

[MontyVeda]

some good tips... Thank you.

But i failed to mention that once glued in, the screw nut will have to be able to turn counter-clockwise without the bond breaking and it'll be under a fair bit of strain (no idea how much).

It's a botched together truss-rod nut for a guitar; M6 thread with a 4mm hex... they don't sell them so had to improvise.

I could try giving it a good wallop with a centre punch on either side??? The cylinder walls are about 2mm thick.

 

[slowmotion]

View attachment 598154 £4 from Halfords.

That looks really interesting and certainly not Loctite prices. My usual concern with these products is that if you use a really strong bearing or thread locker, you really can't disassemble the parts without a blowtorch, usually resulting in general destruction all round.

 

[mickle]

Drill it and pin it.

 

[Alex H]

plumbers PTFE tape - I use it to keep the heads on my arrows.

 

[DaveReading]

I use this: TRIPLE QX Threadlock and Seal 24ml | Euro Car Parts

£4.69

 

[Profpointy]

Just buy a tube of the right grade locktite. There's low and medium strenght which comes undone and high strength which needs a blowtorch to get undone. I don't understand your point about cost. A bottle can't be much more than a fiver so if you use a couple of drops twice a year for a few years it's maybe a quid a use - and more importantly it's the right stuff.