Silicon Carbide 'Green' Grinding Wheels - Grindstone Wheels .Replacement Silicon Carbide "Green Grit" (120 grit) Grinding wheels, suitable for TCT grinding. 200 or 150mm diameter, 20mm width and 31.75mm(1.1/4") bore.greenstone grinding stone,VI. Grinding-Stones (Hoanga) | NZETCAs to the term hoanga, applied by the Maori to grinding-stones, we do not seem to have . It was common stone for cutting slabs of greenstone (nephrite), or the.
greenstone grinding stone