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Spring washers are widely used in the bearing and non-bearing structure of general mechanical products, which is characterized by low cost, convenient installation and suitable for installation and disassembly of frequent parts. Name Spring washers Single Coil Spring Lock Washers Spring-Lock Washers Standard GB 93 Size M3～M64 Grade 4.8 8.8 100HV 140HV 200HV 300HV 400HV Material Carbon steel、Stainless steel、355、45#、65Mn Surface black, zinc plated, color zinc, hot dipped galvanized, dacromet Description Spring washers are widely used in the bearing and non-bearing structure of general mechanical products, which is characterized by low cost, convenient installation and suitable for installation and disassembly of frequent parts. Construction operation technology The spring washer device is used under the nut to prevent the nut from loosening. Scope of application The spring washer is used to prevent loosening, such as the motor and the bolt connected to the machine base generally to add the spring pad, because the motor vibration if there is no spring pad, the nut will be loose with vibration equipment fastener equipped with spring gasket, flange generally do not need to add gasket! The flange is not added to the spring gasket and the pipeline flow medium has a relationship, if easy to produce pulse, it is best to add spring gasket, and high-speed fluid, caliber changes frequently. Do not generalize. Some valves require spring gaskets for packing box gland flanges. Keywords: Galvanized spring washer