Our double hook cylindrical helical tension spring is engineered to deliver reliable, long-lasting performance across a wide range of industrial and household applications. Designed with precision-formed hooks and high-tensile wire, this spring provides consistent tensile force for resetting, tensioning, and buffering mechanical components, making it an essential component for automotive, furniture, and hardware manufacturers.

Key Features:

High-Quality Materials: Crafted from premium galvanized steel wire, offering excellent corrosion resistance, rust prevention, and durability to withstand repeated use in harsh environments.

Accurate Specifications: Precision-wound coils ensure uniform tension and consistent performance, with tight tolerances to meet exact engineering requirements.

Wide Customization: Available in custom wire diameters, free lengths, hook designs, and load capacities to fit your unique application needs.

Performance Tested: Rigorously tested for tensile strength and fatigue resistance, ensuring reliable operation even under continuous, high-frequency use.

Broad Applications: Versatile for use in automotive door latches, sofa backrest mechanisms, door locks, furniture hinges, and small industrial machinery.

Specifications:

Material Options: Music Wire (SWP-B), Stainless Steel 302/304/316, Chrome Silicon, Carbon Steel, etc.

Wire Diameter Range: 0.2mm – 5.0mm (customizable)

Outer Diameter Range: 2.0mm – 50.0mm (customizable)

Free Length Range: 10mm – 500mm (customizable)

End Types: Standard Double Hook (as shown), Machine Loop, Side Hook / Extended Hook, Cross-over Hook

Surface Treatment: Zinc Plated, Powder Coated, Nickel Plated, Phosphated, or Oiled

Spring Rate (k): Customized per force and deflection requirements

Certifications: ISO 9001, RoHS, or industry-specific standards (if applicable)

Why Choose Us?

Manufacturing Expertise: rich experience in spring design and production, with in-house tooling and R&D support.

Quality Control: Full inspection from raw material entry to final product, including stress-relieving and load testing.

Cost Efficiency: Competitive pricing with direct factory advantage, suitable from prototypes to bulk orders.

On-Time Delivery: Reliable production planning and logistics for timely shipment worldwide.

Technical Support: Provide spring design advice, simulation support, and application solutions.

Packaging & Shipping:

Standard Packing: Springs are usually packed in plastic bags inside carton boxes, then palletized. Custom labeling and packaging available.

Lead Time: 10–25 days after order confirmation, depending on complexity and quantity.

Shipping Port: [e.g., Shanghai, Ningbo, Shenzhen Port]

Trade Terms: FOB, CIF, or EXW, based on customer preference.

FAQ:

Can I request free samples?

Yes, we provide free samples for evaluation. The customer covers shipping costs.

Do you make custom-designed compression springs?

Yes. Send us your drawings or specifications (dimensions, material, load, operating environment) for a prompt quote.

What is your minimum order quantity (MOQ)?

MOQ can be discussed. We accept small trial orders and large-volume production.

How do you ensure spring performance?

We perform load testing, fatigue testing, and dimensional checks. Third-party inspection reports can be provided upon request.

Contact us today for a competitive quote or technical consultation!

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Barbell Spring Clips with Grips

Zhuowang Machinery Equipment

Tel：86-157-9948-7210
WhatsApp：8615799487210
E-Mail: jasmin@zwspring.com
Address：East of Chaihudian Town, Ningjin County, Dezhou City, Shandong Province, within the industrial park

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