Product Specification

Custom Double Hook Extension Springs – Automotive & Industrial Use

Product Description

Our Custom Double Hook Extension Springs are engineered to provide high-performance tension, precise elasticity, and long-term durability for both automotive and industrial applications. Crafted from premium stainless steel, spring steel, or carbon steel, these springs are designed to maintain consistent load, stable extension, and reliable operation under repeated stress and dynamic environments.

Each spring features a double hook design, which ensures secure attachment, balanced load distribution, and optimal force transmission. They are ideal for mechanical assemblies, car mechanisms, machinery, electronic devices, and household appliances, offering customizable dimensions, tension, and materials to meet specific OEM or aftermarket requirements.

Produced with precision spring-forming technology and strict quality control, our extension springs provide superior fatigue resistance, corrosion protection, and dimensional accuracy, ensuring dependable performance even in demanding conditions.

Features

• High Precision & Reliability – Maintains consistent tension and elongation.

• Double Hook Design – Provides secure attachment and balanced load distribution.

• Durable Material Construction – Available in stainless steel, spring steel, or carbon steel.

• Excellent Fatigue & Stretch Resistance – Performs reliably under repeated extension cycles.

• Customizable Dimensions & Tension – Wire diameter, coil length, hook style, and load can be tailored.

• Wide Industrial & Automotive Applications – Suitable for cars, machinery, tools, electronics, and appliances.

Technical Parameters

Applications

These double hook extension springs are widely used in:

• Automotive Systems – Doors, seats, throttle return mechanisms, and suspension components.

• Industrial Machinery – Conveyor systems, levers, presses, and assembly equipment.

• Electronic Devices – Switches, actuators, sensors, and small mechanical assemblies.

• Hardware & Tools – Latches, clips, and tension-based mechanisms.

• Home Appliances – Washers, dryers, kitchen gadgets, and other mechanical components.

Customization

We provide full customization services to meet your precise requirements:

• Wire diameter, coil diameter, free length, and hook design

• Adjustable tension and load capacity

• Material selection based on working environment

• Surface treatment for corrosion resistance

• Prototyping and sample validation before mass production

We welcome drawings or samples to produce springs tailored for your exact application.

Support and Services

• Technical consultation for spring selection and load calculation

• Rapid response to wholesale and bulk inquiries

• Sample preparation for quality testing and validation

• Strict quality inspection and dimensional verification

• Long-term supply for OEM and aftermarket orders

Our team ensures a smooth process from design to delivery, supporting both small and large orders.

Packing and Shipping

• Bulk packing or individual packaging available

• Protective inner packaging to prevent deformation

• Export-standard cartons or wooden cases

• Shipping options: Sea freight, air freight, or express delivery

• Flexible logistics solutions for domestic and international customers

Packaging can be customized to meet wholesale, industrial, or OEM requirements.

FAQ

Q1: Are these springs available in stock or made to order?
A1: Standard sizes are often available in ready stock, and custom designs are made according to drawings or samples.

Q2: What industries commonly use double hook extension springs?
A2: Automotive, industrial machinery, electronics, hardware, and home appliance sectors are the most common users.

Q3: Can the spring tension and size be customized?
A3: Yes, we offer full customization including wire diameter, coil diameter, hook design, free length, and tension load.

Q4: What materials are available for these springs?
A4: Stainless steel, spring steel, and carbon steel are the standard options. Custom alloys are also available upon request.

Q5: How is quality ensured?
A5: Each spring undergoes dimensional inspection, load testing, and visual checks to guarantee consistent performance.