Just off to the bolt shop now.
they are half huts i'm thinking M14? standard thread or bigger?
cheers
john

[Edited on 22/12/08 by Johneturbo]

hi john
we are here at work
ring us now if you need bits

cheers

marc

cheers Marc.
sorted

if memory serves me correct they are 9/16 unf and available from towsure for about 50 pence each. they are the same size used on most trailers.