Counter Sunk Head Screw With Nut , Size M20X100 Mm Long. S.E.C. Railway /Sk No. Wrs/ R-1632 Spec:Is: 1367(Pt-3)/2002 Property Clause 4.8 And Is:1365/2005 (With Amendment 1) As Per Dr G.No. S.E.C.Rly./Sk No. Wrs/R-1632. Specn: Is:1367(Pt-3)/2002 Property Clause 4.8 And Is:1365/2005 (With Amendment 1) [ 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 ] ]