Imperial fasteners

ghostlymoron

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I've been looking round for a supplier of stainless, capheads for my Johnson water pump cover which are imperial size (strangely). While browsing with my new Hudl, I came across these http://www.westfieldfasteners.co.uk/UNF.html
I thought the link may be useful to others.
 
There is one American imperial thread that is essentially interchangeable with the common M5 thread unless the threaded section is more than 1" or so long; I used stainless M5 cap head bolts instead of the slotted head imperial ones on the pump housing on my previous 5.7GXi V8. Much easier to fit and remove.
 
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