Supply Of 12.7 Mm Dia Lock Bolt With Collar With Required Grip Range 12.7 Mm To 9.05 Mm Conforming To Rdso Specn. No. Is/Rdso-Wd/ 0001: 2022. (One Set Consisting Of 1 No. Lock Bo Lt & 1 No. Collar As Per Rdso Drg. Wd-11036-S-01, And Wd-11036-S-02 Alt. Material & Specification As Per Drawing Attached. [ Warranty Period: 30 Months After The Date Of Delivery ] ]