Diamond Beads Sintered Diamond Beads Sintered diamond beads Diameter 8.5-11.5mm Granite,marble and concrete cutting SGS We, Keen Diamond ... different bond system with diameters range from 7.2mm to 11.5mm to be widely used for granite, marble, limestone, travertine ... as follows: ApplicationDiameter(mm)For Quarry11.5*6.5For Quarry/Block11*6.5For Block10.5*6.0For Slabs/Contouring9.0*6.08 ...