... Thread 11/16-24 UNEF; 3. Mainly used in water treatment,industrial equipment. Wingkam is a supplier of quality metal ... , we could supply sand casting and investment bronze and brass pipe fitting with material: C83600, C87600, C95800, C92200, C86500, ... C93700. Casting process we use includes: Sand casting, Investment casting, Die casting, Centrifugal casting, ...