Tooth Lock Washer

Specifications for Tooth Lock Washer ,DIN6798 Washer,Extenal Washer

DIN 6798 serrated washers are fastener components specified in the German DIN standard. They are mainly used under bolt heads or nuts to provide locking and anti-loosening functions.

Types

● External Serrated Washers: With serrations on the outer edge, coded as AZ in DIN 6798. The serrations increase the friction between the washer and the connected parts.
● Internal Serrated Washers: The serrations are on the inner edge, designated as JZ. When the nut is tightened, the serrations dig into the surface of the bolt and nut to achieve a locking effect.
● Countersunk V-type Washers: Specifically designed for countersunk screws, the V shape can better fit the countersunk head of the screw and play a role in locking and sealing.
● Double-sided Serrated Washers: With serrations on both sides, which can provide better anti-loosening performance in both directions.

● Good Anti-loosening Performance: Relying on the biting force of the serrations and the connected parts' surface and a certain elasticity, they can effectively prevent the bolt and nut from loosening under vibration or dynamic loads.
● Wide Applicability: Suitable for threads ranging from M2 to M30, meeting the needs of various fastening connections.
● Diverse Materials: Available in carbon steel and stainless steel A2 materials, providing options for different application environments.
● Neat Appearance: The washers should be free of burrs, with a smooth surface and clear serrations, ensuring a good fit with the connected parts.

Applications
● Machinery Manufacturing: Widely used in the assembly of mechanical equipment, such as the connection and fixation of engine components and gearbox parts.
● Automobile Industry: Applied in the assembly of automobile engines, chassis and other parts to ensure the reliability of connections.
● Electrical and Electronic Equipment: Used in the installation and connection of electrical equipment and electronic products to prevent loosening of bolts and nuts and ensure the normal operation of the equipment.
● Rail Transit: Used in railway vehicle and track system assemblies to withstand vibrations and impacts during train operation.

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