Hex Head Bolt & Castle Nut For Center Pivot Arrgt. To Icf Drg. No.T-O-6-614. Alt. F/Nil, Item .1 & 2. Note: -1) Zinc Electro Plating To A3L Of Is: 1367(Part-11)-2002 2) Bolt Shall Be Of Make Tvs O R Dfl Or Umbrako Or Tuff Only. [ Warranty Period: 30 Months After The Date Of Delivery ] ]