heres my problem

iv got a mk4 escort cab, at the mo shes got rst wheels on (with crap tyres) i want to change thes for a set of 15" escort gti wheels that came off my mk6 escort.
i tried to put them on yesterday but the wheel bolts seemed to be too small to securley hold the wheel.

when they were on my mk6 they were held on with studs and nuts, i also noticed that the nuts had a bigger collet on them.

is there any other wheel bolts from other moddle cars that have a large collet that i can fit?


thanks in advanced