Pipe Fittings We can offer you all kinds of Nuts. We are manufacturer. specification:M3 ,M4 ,M5, M6, M8 ,M10 ,M12, Pipe FittingsWe can ... . Our products are widely used in furniture, car, ship, electron and other fittings of industrial products. types: flat head ,countersunk head, round ... , open end, closed end, body with ribben, body with groove and so on . also we can produce according to your drawing ...