Quote Originally Posted by cropwell View Post
Have a look at https://www.bes.co.uk/products/160.asp. You might find something like an end plug you can drill and tap to your 3/8 bolt. Maybe you could just weld or braze the bolt on.

Oh the joy of BSPP BSPT and NPT. You can learn more at http://www.newmantools.com/taps/bsp.htm

Cheers,

Rob
Hi Rob yep thought about these methods but if it out of center it would cause problems, I might take them into the local iron mongers find the right bolt and then find some kind person with a lathe to turn one end down to 10mm.. path of least resistance etc.