We can supply threaded bungs in all sizes (metric and imperial) for fabricating wishbones, tie-rods, chassis inserts, etc...
Example here: eBay Item
...here: eBay Item
and here: eBay Item
We also do high-misalignment inserts for rod ends and spherical joints, as well as spherical joints and rod ends!
Please contact us if you can't find the size you need.
Good pricing Steve...hope they do well for you..
Alan