Bolt Hexagonal Head 1/2-20 X 1- 1/2 To Emd Part No. 181431 And Dlw Part No. 19014090 As Per Drawing Number 181431 Rev. Ca Or Latest. Drawing Attached. Make Emd/Bimco/Tvs/Unbrako/Lps/Aic /Neo Engineering . Note: A Test Certificate (Tc) & Guarantee Certificate (Gc) Is Also Required From Supplier. ]