... --32hours working life on sandstone 3.free support machine parameters Diamond Sink Wheel for engraving stone marble CNC Stone tools Supply all ... : 1. Tools Shank: 6mm,8mm,10mm,12mm,16mm… 2.Cel(diamond part length) :12mm,20mm,30mm,40mm,50mm,60mm,70mm,80mm ... can be used for Roughing, Area Clearance, Cutouts, Inlays and Profiling(3) Conical tools: Radiused Conical tools are generally used for ...