Xufeng Dongguan City Hardware Products Factory is a professional production of metal springs, lathe parts and stamping parts of the enterprise, the factory has advanced technology and equipment, modern workshops and professional personnel, products sold around the world. Scroll Clockwork heat treatment: We often see scroll Clockwork surface color is bronze. Do not know this person would think Clockwork product surface of the material with a layer of copper or feel Clockwork product is copper. In fact, this is not yes, Dongguan City, Xu-feng Hardware Products Factory strip materials are imported from Japan, 301 stainless steel, the elastic spring manufacturers better life stronger. Clockwork after heat treatment after machining surface will appear similar to the color of a layer of bronze body .. scroll Clockwork Clockwork after heat treatment refers molding, high temperature heating approach, the purpose is that the full potential of the material to make it at or near the best mechanical properties, in order to ensure the use of the spring in the state long-term reliable work .. Xufeng Dongguan City Hardware Products Factory is a professional production of metal springs, lathe parts and stamping parts of the enterprise, the factory has advanced technology and equipment Sodom and springs, modern plant and professionals in the spring, selling products around the world. Spring washers used in load-bearing and non-load-bearing structure of the general machinery products are widely spring processing, which is characterized by low cost, easy to install, suitable for frequent site of assembly and disassembly. But spring lock washer capacity is very low! Especially in Europe and the United States currently require high reliability products used in rate is very low, especially important load-bearing structure joints have long been abandoned for many years. In our country there is still a part of the military applications, but has been modified to stainless steel. It is said in the CASC long steel spring washer is prohibited to use it! Also said to be very safe for two reasons 1 is "up circle" 2 is hydrogen embrittlement. Description: spring washer on the screw industry, often called as spring washers. It is made of stainless steel and carbon steel, carbon steel is iron. Commonly used spring washers Dimensions have M3, M4, M5, M6, M8, M10.M12, M14, M16. These specifications are relatively common. Spring washer national standard GB / T 94.1-87, standard provides specifications for 2-48mm standard type spring washers. Reference Standard GB94.4-85 "spring washers spring washers' spring plant | Spring | Xufeng Hardware Products Factory Dongguan City Xufeng provided by Hardware Products Factory. Xufeng Dongguan City Hardware Products Factory (www.dglijing168.com) strong, credible, in Dongguan, Guangdong spring industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xufeng Hardware Factory and you work into the brilliant, for a better future!