Inter Lock Washer For Size M20 For Traction Link And Pivot Housing Bolts, As Per S.C.Railw Ay Drg. No.C/Els/ Lgd/Fstr/4/5 In Pair With Glued With Non-Permanent Glue. Paired Washer Thickness 6.2Mm. [ 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 ] ]