1.grinding of grey cast iron , cleaning of switchboards, chamfer of edges. 2.very hard grinding wheel. material : grey cast iron, skin of cast iron, non ferrous metals, non ferrous alloy concrete, natural. application: grinding of grey cast iron , cleaning of switchboards, chamfer of edges. characteristics: very hard grinding wheel. place of origin: zhejiang, china (mainland) brand name :pegatec model number: p80271506m abrasive: natural material bonding agent: resin size: 150x6.0x22.2mm type :abrasive disc payment & shipping terms: price: fob usd 0.5~1 / piece port: ningbo or shanghai packaging details: cartons delivery time: 30-45 days payment terms: l/c,d/p,t/t supply ability: 200000 piece/pieces per day