Does anyone know where I can find something like this in the UK or Europe?

Preferably I'd like a M12 thread but larger sizes that can be turned down and rethreaded may also work.

http://www.nsra.org.uk/newforum/showthread.php?64563-Various-Hotrod-parts-t

https://www.ebay.co.uk/itm/Escort-Mk2-Adjust-Track-Control-Arm-Rubber-Bush-Rod-End-/232282930390

Thanks