Tender For supply of aluminium oxide straight grinding wheel type-1, size od-400 mm, id-127 mm, thick-50 m m, specification- 38a46/54, j12 vbe (grindwel norton), aa46/54 j12 v8 (cumi) as per blw drg no- sk40al 0421. [ warranty period: 30 months after the date of delivery ]