Tenders for Supply of M.S. Black Hexagon Head Bolt With Thread M 20, Nominal Length 90 Mm And P Roperty Class 4.8, Conforming To Is 1363Part 1:2002/Iso 4016: 1999 Fourth Revision Wit H Hexagon Nut With Thread M20 And Property Class 5, Conforming To Is 1363 Part:200 2/Iso 4034:1999 Fourth Revision Warranty Period: 30 Months After The Date Of Delivery