... Forging weld nut 1) Categories: square, two point, three point, three point, four point abnormity 2) Material: ... electrical power, constructionand various machinery2) Categories: square, two point, three point, three point, four point abnormity3) Material: carbon steel, ... production flowing(300T-1000T), two aluminum alloy die-casting <280T-1350T>, three accurate casting, three auto trailers hitch ball ...