These diamond cup wheels
are used on angle grinders or automatic grinding machines to grind
various stone such as granite marble sandstone artificial stone etc. in dry or wet
conditions with good working life.
The diameter is usually from 3"(80mm) to 5"(150mm), most of them
are high frequency silver welded, and some are hot-press sintered
with steel or aluminum body. They are available in three grits rough(#30/40),
medium(#60/80), smooth(#100/120) with different bond such as soft, medium or
hard.
