Lock Nut

A lock nut is a type of nut that resists loosening under vibration or torque, designed to stay securely fastened even in dynamic or high-stress applications. Lock nuts achieve this stability through various mechanisms that increase friction between the nut and bolt, ensuring the nut remains in place without additional hardware.

Size: M29*2*47*27h

Grade: 10

Material: 10b21

Finish: Heat treatment, Rust prevention treatment


Key Features:

  • Anti-Loosening Mechanism: Lock nuts incorporate features such as nylon inserts, deformed threads, serrated flanges, or additional components like pins to increase friction and prevent rotation.
  • Reusable in Some Cases: Many lock nuts can be reused, though some types (especially those with nylon inserts) may lose effectiveness after multiple uses.
  • Material: Typically made of durable metals like steel, stainless steel, or brass to withstand repeated stress and environmental conditions.

Common Uses:

  • Automotive: Frequently used in engines, suspension, and steering assemblies where vibration is a factor.
  • Industrial Machinery: Essential for high-vibration machinery like pumps and compressors, where nuts need to stay secure under continuous movement.
  • Construction Equipment: Used in high-stress environments to secure parts that undergo constant movement.
  • Household Appliances: Applied in washing machines, dryers, and other appliances to prevent loosening over time.

Advantages:

  • Enhanced Stability: Lock nuts provide a secure fastening solution for high-vibration environments.
  • Versatile: With multiple designs, they can be selected based on environmental conditions, such as temperature and vibration.
  • Easy Installation: They don’t typically require additional hardware, simplifying installation.
Contact Us
We served more than 100,000 customers and exported more than 100+ countries in the world.
We have 100+ workers and 10+ R&D and quality employees.

SUNO GROUP LIMITED founded in 1990 and certificated by ISO 9001 & IATF 16949, is a professional automotive fasteners supplier in China.  

Shortcut links
Contact with us
Tel: +86 136 9362 3001

Add:
2110, Floor 18, Building 3, Yard No. 6, East Futong Street, Beijing, China