Hexagonal Head Bolts & Nuts 16 X 50 Mm, Products Grade-C, M.S. Black Confirming To Is:1 363-(Part-1) 2023 For Bolts; Products Grade-C, M.S. Black Confirming To Is:1363-(Part-3) 2018 For Nuts. Pr Operty Clause 4.6 Of Table '8' For Bolt And Property Clause 4 Of Table '8' For Nut. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted : Max 8 Lacs ] ]