ed you can get adapters to fit your angle grinder to wire wheels. i have the same problem with my makita 4" grinder. the adapter screws into the5/8 thread of the wheel then that conglomeration screws onto the grinder.i have several.i'm gonna say this then duck.you can get 2 knotted wirw wheels 2 cup wire brushes a wire brush and 2 adapters in a pkg.for $12.00(i was watchin this and got them on sale for $7.99) at harbor freight.i have them theyre not bad.or you can get the adapters at lowes.several companies make them................dave