Blind Flange Qingdao Hardware Star Import & Export Co., Ltd. Base Info Model NO.：ANSI, API, BS, DIN, UNI, JIS and MSS SPType：Welding FlangeMaterial：Carbon SteelTrademark：HSDSpecification：1,2" ~ 64"Origin：China Description Pre：Carbon Steel Hexagon Head Structural Bolts (KB-252) Next：Slip on Flange
