... :Plain,Black,Zince Plated,HDG, and so on. weld stud & ceramic ferruleSpecification:ANSI,ASME,DIN,BS,JIS,Non-standard-according to ... .Advantage:High quality,competitive price and good after-sale service.Package:25KG/carton,36 cartons/pallets or as buyer’s request ... we can establish business relationshop with your company! weld stud & ceramic ferrule