... :M6,M8,M10 Rivet nut (falt head,round body)we use cold forged technique, not ... looking but also loading force, shearing force and torque force all reach international standard. Our ... car, ship, electron and other fittings of industrial products. types: flat head ,countersunk head, round body, hex body, ... open end, closed end, body with ribben, body with groove and so on ...