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What penetrating oil do you recommend for freeing rusted parts? WD40 is next to useless and I can't get any heat to the parts which are frozen.
Plusgas.
slw
Any idea on availability, e.g. should I be able to get it at my local motor factors?
any motor factor, agri engineering or bearing agent(BSL)will have a brand of release agent, even Halfords.
Thanks Trekster, but which is [i]best[/i]?
it won't really matter which one you use, just use lots of it.
is the top of the thread visible/open for the stuff to get in there? Scrape off any rust you can with wire brush/tools to allow the penetrating oil to get in there.
If it's a vertical bolt/nut then you can build a ring of bluetak around the top to form a cup so you can fill it with the penetrating oil and leave it to soak in to the threaded section for a few hours rather than it running off.
Thanks for the responses.
They are both good.
We use Swantek at work(NB the Excellent acknowledgment on home page)
http://www.swantek.com/html/frames.htm
Soak, leave for 1/2hr and hey presto!!
All depends how rusty and what size your bolts/nuts, grade of steel are, sometimes nothing works unfortunately.
I've been using a product made by Wurth called 'Rost off ice'.
It is a release oil that has a freezing agent in it. When you spray it on it chills the bolt in order to shrink it a little. The idea is that this creates gap for the oil to penetrate the seized thread. It smells like the deep heat spray that footballers use.
[url= http://www.amazon.co.uk/Wurth-Rost-Off-Ice/dp/B002Y9IN9Ahttp:// ]Rost off[/url]
There are folks selling it on Ebay for less. It has been successful in releasing 95% of the seized fittings I've used it on in the last ten years or so. Like previously mentioned, sometimes it is just a lost cause.
If you can get your part into a bucket, then use diesel or even petrol- just be carefull
KT1973 - MemberIf you can get your part into a bucket, then use diesel or even petrol- just be carefull
Good old fashioned farmers trick 😀
Like the sound of carrotcakes stuff(linky no worky, goes to amazon?)
Plusgas is great. It actually does what people think WD40 does, but doesn't. I've had a little success over the years with my stupidly powerful soldering gun- useless for soldering but it puts a fair amount of localised heat on, OK for small bolts. Freeze spray/chewing gum remover can sometimes he useful too.
As well as Wurth Rost Off there is
Loctite Freeze and Release http://loctitefreezeandrelease.com/
Ambersil Rust Flash
etc