They will be standard button heads. Personally I would go to a bolt supplier as you can get the best quality 12.9 spec. They will tell you the size of thread aswell.
Posted : 14/04/2009 8:52 am
They will be standard button heads. Personally I would go to a bolt supplier as you can get the best quality 12.9 spec. They will tell you the size of thread aswell.