Plate Flange (ZX-F1) Zongxue Heavy Industrials Co., Ltd Base Info Model NO.:ZX-F1Mateial:Stainless Steel, Alloy Steel, Carbon SteelStandards:Jisb, GB, ANSI, DIN Description Pre:Flat/Countersunk Head Self Tapping Screw (DIN7982) Next:Malleable Iron Pipe Fittings