stud bolt astm a193 b7 1.Grade:AASTM A193 B7 2. ... .Length:16-300mm 4.Finish:plain,zinc plated,HDG... stud bolt astm a193 b71) Material: High quality carbon steel Class : ... galvanization ,Steam Black ,Ash phosphorus ,Brass , Nickel plate ,Chrome plate ,Heating galvanization ,Zinc plated(yellow, black, green)Packing: 1) Bulk packing ... or plastic box. 3)As to customers' requirement stud bolt astm a193 b7