What studs to use when fitting non-standard wheels

[drcdb15]

Sorry if this is already on the Forum but I've searched and cannot find it. When fitting after market wheels it is generally recommended to replace the original Fiat wheel bolts with the more widely used studs and wheel nuts. Without going into thread sizes and pitch details (which I could not measure accurately anyway) can anyone tell me what cars would be suitable as donors of wheel studs to fit the 126 hub without modification ?

Many thanks

Chris

[1973/126]

 The standard wheel bolts are M12x1.5. You can get these in different lengths on the the internet. I think it would be an easier option than studs. You can always use some spacers if you need to.
 Have you got any ideas on wheels you`ll be using?