... ,GB, ISO,DIN 4.Finish: Polish AISI 316L stainless steel hexagonal barWidely used:Produce screw and nut, engine parts, indoor and outdoor decorating ... be tested for both chemical and mechanical properties7.Application: Produce screw and nut, engine parts, indoor and outdoor decorating,ect.Size ... , Delivery, Sincerity!Your satisfaction is our eternal goal. AISI 316L stainless steel hexagonal bar