Rivets M.S.Snap Head 20 Mm Dia X 75 Mm Long To Iss:1929/82 Reaffirmed 2001 Fi Rst Revision Steel To Is:1148/82. Reaffirmed 2001 Third Revision. Specn: Is 1929/82 Steel To I S 1148/82 [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]