Product overview
This Hobson external tooth lock washer is designed to help prevent fasteners from loosening under vibration and movement. The external teeth bite into mating surfaces to create a locking effect, while the zinc plated finish provides corrosion resistance for engineering, maintenance, and general fastening applications.
Key features
- External tooth design provides locking action
- Zinc plated finish for corrosion resistance
- Helps resist loosening from vibration
- Suitable for engineering and maintenance applications
- Provides secure fastening support
- Metric sizing format
Common uses
- Machinery assemblies
- Electrical equipment installations
- Maintenance and repair work
- Engineering projects
- General fastening systems
Warranty
Hobson products are warranted against defects in materials and workmanship in accordance with Australian Consumer Law and Hobson Terms and Conditions.








