Tenders for Supply of Ms Black Punched Washer Of Size 42Mm. M.S. Black Washer, Type A Of Size 42 Mm Bore Suitable For M39 Bolt Conforming To Is: 2016-19671St Revision With Amendment No.4 Of October-1982, Table-2 Type A And Material Conforming To Is:2062-2011 7Th Revision With Amendment No.1 Of Nov-2012, Grade E250 A. Warranty Period: 30 Months After The Date Of Delivery