... ,alloy steel. Finished:Plain,Black,Zince Plated,HDG, and so on. weld stud & ceramic ferruleSpecification:ANSI,ASME,DIN,BS,JIS,Non-standard ... .Finished:Zinc plated,Hot dip galvanizing.Plain,Black,and so on.Advantage:High quality,competitive price and good after-sale service ... enquiry, hope we can establish business relationshop with your company! weld stud & ceramic ferrule