Tenders for Supply of Hexagonal Head Bolts & Nuts 16 X 50 Mm, Products Grade-C, M.S. Black Confirming To Is:1363- Part-1 2002 For Bolts; Products Grade-C, M.S. Black Confirming To Is:1363-Part-3 2002 For Nuts. Property Clau Se 4.6 Of Table 8 For Bolt And Property Clause 4 Of Table 8 For Nut. Warranty Period: 30 Months After The Date Of Delivery