Removing stuck fasteners
(→Penetrating and lubricating oils) |
(→The weld-on-a-larger-nut method) |
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#Weld in short bursts until the weld fills the nut. This will heat the bolt but not the surrounding material. Using a 6011 welding rod in a stick welder has been reported to work well. | #Weld in short bursts until the weld fills the nut. This will heat the bolt but not the surrounding material. Using a 6011 welding rod in a stick welder has been reported to work well. | ||
#Let the welded nut cool completely without using any water or spray. The bolt will contract and break the grip of the rust. | #Let the welded nut cool completely without using any water or spray. The bolt will contract and break the grip of the rust. | ||
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| + | Some more info on welding on nuts. | ||
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| + | A tig welder is the welder of choice. | ||
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| + | It is critical to put some penetration oil like Kroil (and not WD-40) on as it cools just low enough for the oil to not just boil off. This will draw oil into the hole. This is the only time I have seen penetrating oil actually penetrate a stuck bolt. | ||
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| + | For more information refer to this webpage http://idisk.mac.com/forever4/Public/pages/studremoval.htm | ||
==Penetrating and lubricating oils== | ==Penetrating and lubricating oils== | ||
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