Spring washers DIN 137

   DIN 137 A locking spring washer is a washer that consists of a ring that is divided and bent at the desired angle to the main plane of the fastener. Such washers are placed under the heads of screws and bolts, nuts, and also put on studs to prevent the threaded part from loosening and to increase the clamping property.

DIN 137 fastener group

     DIN 137 washers are most often made of stainless steel and belong to the stainless fastener group.

Materials for the manufacture of DIN 137 washers

     DIN 137 washers are made of the following materials: 

• Steel, which can optionally be coated with zinc. Plated zinc protects against corrosion if the fastener is to be used in aggressive environments.
• Stainless steel grades A2 and A4. The steel grade allows the fasteners to be used at significant temperature drops and in aggressive and humid environments.

Application range of DIN 137 washers

     The DIN 137 spring washer can be plate or wavy, the part protects threaded connections from loosening, also protects the material from deformation during strong twisting and increases the pressure area at the mounting point. DIN 137 washers are used to fasten parts of airplanes, various ships or machines. When using this washer, you can eliminate the need for a gripper. the product has a radial bend.