Nut M.S. Black Hex Dia M20 To Property Class 5 To Is: 1363/92 Part Iii Reaffirmed 1998 Thi Rd Revision. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]