Washer Plain Punched Steel Size: M-20 To Is:2016/67 (Reaffirmed 2001) Amnds 4. Tabl E-Ii. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]