► Diamond; CBN honing stone, honing stick
► Bonded: metal bond
► Materials of workpiece: carbide,glass and ceramic,cast iron,alloy steel, tool steel, die steel, hardened steel copper, aluminum alloy and other abrasive resistant materials
► Applicable area: fine grinding engine pump body, hydraulic cylinder bore, hydraulic pump inner bore, cylinder block, valve,oil cylinder nozzle, the inner surface of the spline bore and cylinder hole and blind hole of other series.