Tenders for Supply of Hexagon Head Bolt With Thread M20, Nominal Length 75Mm And Property Class 4.8, Conforming To Is:1363Part-12002/Iso-4016:1999 Fourth- Revision With Hexagon Nut With Thread M20 And Property Class 5, Conforming To Is 1363 Part 3:2002/Iso 4034:1999 Fourth Revision. Warranty Period: 30 Months After The D Ate Of Delivery