wheel stud help

[zetecturbo]

me mate is fitting wheels to his escos and there doesnt seem to be enough thread on the stud .so he now wants to fit longer wheels studs,my question is does any know the stud size,is it m12 x 1.5mm.and how longer should he go hes thinking around 70mm,or 63mm,wheeels are azev a's

[Mark Barber]

aim for a full nut if you know what i mean fit the wheels and then look how much thread is left count the threads and add that amount to the studs ,
stud lengths do vary and most wheel shops sell studs