Screws are generally called wood screws; is the tip of the kind of tip, pitch larger, generally used to tighten wood parts, plastic parts. Mechanical screws, is the front of the kind of screws, the pitch is small, uniform, generally used to fasten the metal, machine parts.Screw application range1> Stainless steel plate, metal plate, galvanized steel plate, engineering installation.2> Metal curtain wall metal light compartment and other indoor and outdoor installation. 3> General angle steel, channel steel, iron plate and other metal materials combined installation. 4> Car trunk, container box, shipbuilding, refrigeration equipment and...
Xiamen Changchun Import & Export Co., Ltd.
China ISO 9001, ANSI/ESD...more