Ok... I have my new angle grinder and i want to use it to cut the top out of my "legaly" purchased from LHBS, retired keg. The instructions say I need to use a type 27 wheel for cutting, the question I have is what thickness is best for cutting on a keg? 1mm 2mm 3mm 1/8" 1/4" ect... ???
Thanx in advance.

