Tenders for Supply of M.S. Black Hexagon Head Bolt With Thread M16 Nominal Length 50 Mm And P Roperty Class 4.8, Conforming To Is 1363 Part 1:2002/Iso 4016 :1999Fourth Revisionwit H Hexagon Nut With Thread M16 And Property Class 5, Conforming To Is 1363Part 3:20 02/Iso 4034:1999 Fourth Revision. Specn: Iss1363-1984 Warranty Period: 30 Months After The Date O F Delivery