Hexagonal Head Bolts & Nuts Size: 20 X 80Mm(1)Product Grade C,Ms Black To Is: 1363 (Part- 1)/2002,Property Class 4.6 For Bolt (2)Product Grade C,Ms Black To Is: 1363 (Part- 3)/ 2002 Property Class 5 For Nut. [ Warranty Period: 30 Months After The Date Of Deliver Y ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]