One of the best things I ever done. No fighting the wheel to keep it in place when trying to bolt it up any more!

Buy a set of studs from Burtons, Ebay, ford (Sierra wheel studs or Mk5 Escort studs). The holes may need drilling out a little if I recall correctly. Then they can be drawn into the hub by using some oversize nuts (to act as a spacer) slotted over, a big washer and a spare wheel nut.