Aluminium cup wheel Designed for grinding concrete, granite and marble, with fast and smooth grinding. Aluminium base make it light, silent. Item number Diameter Segment size(mm) Arbor (mm) Bond Aluminium cup wheel 4''/100mm 16*6 M14/22.23 Extra hard M14/22.23 Hard M14/22.23 Medium hard M14/22.23 Soft M14/22.23 Extra soft 5''/125mm" 18*7.5 M14/22.23 Extra hard M14/22.23 Hard M14/22.23 Medium hard M14/22.23 Soft M14/22.23 Extra soft 7''/180mm 18*8 M14/22.23 Extra hard M14/22.23 Hard M14/22.23 Medium hard M14/22.23 Soft M14/22.23 Extra soft -
