Our precision torsion springs are made from high-grade spring steel with a black anti-corrosion coating. They deliver reliable rotational torque and stable mounting via parallel straight legs. Fully customizable (wire size, coil count, leg length, material), they suit automotive, industrial, and appliance applications. Strict QC and factory pricing ensure consistent performance, long life, and value for OEM projects.

Key Features:

High-Quality Materials: Made from high-strength spring steel/stainless steel with a wear-resistant black coating, our single-coil double-arm torsion springs deliver stable torque, excellent fatigue resistance, and long-lasting performance for industrial and automotive use.

Accurate Specifications: Precision-wound coils ensure uniform tension and consistent torque output, with tight tolerances on leg length and angle to meet exact engineering requirements.

Wide Customization: Available in custom wire diameters, coil counts, leg lengths, arm angles, and material options to fit your unique application needs.

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

Broad Applications: Versatile for use in automotive: shift levers, pedal return mechanisms, and latch systems; household appliances: door hinges and control levers; industrial machinery: valve actuators, lever reset systems, and tool locking mechanisms; precision instruments: clocks, meters, and small mechanical devices requiring precise torque.

Specifications:

Material Options: High-carbon spring steel, stainless steel, or music wire, with a durable black oxide finish

Wire Diameter Range: 0.2mm – 10.0mm (customizable)

Coil Outer Diameter Range: 3.0mm – 100.0mm (customizable)

Leg Length Range: 5.0mm – 200.0mm (customizable)

Arm Angle Options: 0° – 360° (customizable to match your assembly requirements)

End Types: Parallel straight tang ends (as shown in the image), angled tang ends, looped ends, hooked ends, or custom-formed ends (per your drawing/specification)

Surface Treatment: Black oxide, Zinc plating, Nickel plating, Electrophoresis, Powder coating, Passivation, Custom surface finishes available

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: Can be negotiated.

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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