nuts

[reynolds_shaun]

is it safe to fit 15" alloys with the nuts and bolts off the standard 13" rims?

[riggsy]

Wouldnt have thought so.

Use the propper wheel bolts dont take risks!

[reynolds_shaun]

bump ...

[DAN-VTS]

I take it you didnt get new ones with the wheels then?
Have you tried them? might be ok depends how deep the wheels are