Tenders for Supply of Hex Head Bolt M20 X 100 High Tensile As Per Is:1364 Part-1/2002, Ce-With Prop Erty Class-10.9 To Is:1367 Part-3-2002, Coating As Per Mdts-057. And The Item Should Be Procured From Tvs, Unbrako, Tuff, Dfl And Rdso Approved Sources Of Axle End High Tensile Cap Screws Warranty Period: 30 Months After The Date Of Delivery