T Head Bolt M 12 X 35 Confirming To Sona Blw Drawing No. 4Ep5042 Or Equivalent ,Alon G W Ith Hex Nylock Nut M-12 As Per Sona Blw Drawing Din982/Eqv Or Equivalent And Spring Washer B 12 As Per Sona Blw Drawing No. Din 127/Eqv Or Equivalent, Suitable For (Sona Blw Design). As Per Rd So Spec. No. Wd-23-Bmbs-2008 (Rev.1) Amndt. No. 1 Of Sept.2016 [ Warranty Period: 30 Months Aft Er The Date Of Delivery ] ]