"Fredxx" wrote in message ...

I don't understand why you persist.
https://www.leytonfasteners.co.uk/bo...w-information/

Common UK parlance for a bolt and a set screw is that there is thread the entire length
of the set screw, whereas a bolt is only partly threaded.


Clearly the "experts" at the University of Leytonfasteners along with Professor Turnip
have never heard of "roofing bolts" either.

https://www.google.co.uk/search?q=ro...w=1024&bih=642



michael adams

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