20pcs Dowel Screw Iron Double Ended Zinc Plating Self Tapping Thread 5 * 40mm

【Long service life】: The screw is made of iron, the is galvanized, corrosion resistant, and has a long service life. 【Outstanding Quality】: Double head screws are made of high quality iron, which is and widely used to connect two pieces of wood. 【20 screws】: There are 20 double-headed screws in large quantity. These screws can be used in many projects, furniture assemblies, etc. 【After-sales service】: The double-headed screws have passed the quality inspection before leaving the factory, and can be used with confidence. 【Galvanized surface】: The of the double head pin screw is galvanized, which is more corrosion resistant, sturdy and durable, with higher performance and longer service life.