Tenders for Supply of M.S.Black Punched Washer Of Size 30 Mm Bore Suitable For M27 Bolt Conforming To Is: 201 6-1967 1St Revision With Amendment No.4 Of October-1982, Table 2, Type A And Material Conforming T O Is:2062-2011 7Th Revision With Amendment No.1 Of Nov-2012, Grade E250 A Warranty Period: 30 Months After The Date Of Delivery