Custom Black Zinc Plated Extension Springs
Product Overview of Custom Black Zinc Plated Extension Springs
This custom extension spring is designed for applications requiring stable tensile force, compact installation space, and long service life. Manufactured from spring steel wire and finished with black zinc plating, it offers enhanced corrosion resistance together with a clean industrial appearance.
With a 1.0 mm wire diameter, 6.6 mm outside diameter, and compact body design, this spring is suitable for mechanical assemblies, hardware systems, automotive components, locking mechanisms, equipment accessories, and customized industrial applications.
Features & Benefits of Custom Black Zinc Plated Extension Springs
Excellent Elastic Recovery
Engineered to provide consistent tensile performance and reliable return force over repeated cycles.
Black Zinc Corrosion Protection
The black zinc coating improves surface durability and helps resist oxidation in general industrial environments.
Compact Structure
Small overall dimensions make it suitable for limited-space assemblies while maintaining stable mechanical performance.
Custom Manufacturing Support
Wire diameter, coil diameter, spring force, free length, hook shape, coating, and packaging can all be customized according to project requirements.
Ideal Applications of Custom Black Zinc Plated Extension Springs
- Mechanical equipment
- Automotive mechanisms
- Hardware assemblies
- Door lock systems
- Industrial devices
- Consumer product components
- Custom OEM spring projects
Why Choose Us as the Trusted Manufacturer of Custom Black Zinc Plated Extension Springs
- Custom spring manufacturing capability
- Stable dimensional control
- Surface treatment options available
- OEM & ODM support
- Fast sample development
- Export experience for industrial hardware markets
