Special Flange QINGDAO NANCY METAL & MACHINERY CO., LTD. Base Info Model NO.:2"; 2 1,2": 3" Description Basic Info. Model NO. 2"; 2 1/2": 3" Product Description This is special flang with bow, material is carbon steel, manufacture: Forge Pre:High Quality Brass Material of Thread Threaded Rod /Stud Bolt/Thread Bar DIN975/DIN976 Next:Pin (P10)