Hexagonal Head Bolts & Nuts 12 X 65 Mm Of 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 N Uts."Property Clause 4.6 Table '8' For Bolt And Property Clause 4.0 Table '9' For Nut." [ Warranty Perio D: 30 Months After The Date Of Delivery ] ]