Supply Of Procurement Of Bolt Hex Head And Nut Etc.Procurement Of Bolt Hex Head And Nut Etc.,Hex. Head Bolt And Nut M 22 X 150 Mm Of Production Grade C To Is : 1363 (Par T-1) /2002 (4Th Rev.) Property Class 4.8 For Bolt And Is: 1363 (Part-3) /2002 (4Th Rev.) Prope Rty Class 4.5 For Nut. [ Warranty Period: 30 Months After The Date Of Delivery ]