one shot nuts
this is caravan related but I know someone will know the answer.
https://www.ebay.co.uk/itm/264452400882 what makes these hub nuts one shot? macafee2 |
I don't know what mechanism makes them single use but apparently, they should be replaced if ever removed. Maybe it's similar to replacing certain bolts, because they have a thread lock band or are stretched.
TC |
According to the caravan 'experts' -
They are a form self locking nut. The threads are slightly crimped at one end making them slightly oval. Once fitted the threads are spread - if refitted the thread will not grip as tight. |
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Thank you, I had no idea, totally forgotten. damn clever people on this forum :) macafee2 |
when I read this thread title I was afraid at first that a member of the royal family had a shooting accident.....
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What happened to easy split pins to lock stuff in place
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Heaven forbid that anyone might try to mend and reuse something :eek: |
A FYI: :} a none flanged version is a 'Stover Nut', they are used to secure the exhaust manifold on a brand/model of car I won't mention here. Similar principle tho, a few threads are an interference fit due to being non-circular.
images: https://www.google.com/search?q=stov...w=1536&bih=728 |
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