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Help CenterRigid Dimension Tolerance ±0.05mm Irregular Spring With 1-Year Warranty
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Anping County Boli Hardware Wiremesh Products Factory, established in 1998 and headquartered in Hengshui, Hebei, China, is a professional manufacturer specializing in precision springs and wire mesh products. With an annual export value of US$5–10 million and a global footprint covering North America, South America, Europe, Southeast Asia, Africa, and the Middle East, we have built a reputation for delivering high-quality, custom-engineered solutions.
Our Rigid Dimension Tolerance ±0.05mm Irregular Spring is designed for applications where precise dimensional control is critical. Unlike standard springs, this irregular-shaped spring undergoes strict quality checks to ensure every dimension meets the ±0.05mm tolerance. Whether you need a spring for a complex mechanical assembly or a specialized electronic device, our product offers reliable performance, long service life, and consistent spring force.
We back our product with a 1-year warranty, giving you peace of mind. Our manufacturing process uses advanced CNC spring coiling machines and automated heat treatment lines to guarantee uniformity and durability. Each spring is individually inspected using digital calipers and optical measuring instruments to verify the ±0.05mm tolerance.
Key Features & Technical Specifications
- Extreme Precision: Dimensional tolerance of ±0.05mm ensures perfect fit in tight assemblies.
- Custom Irregular Shapes: We can produce any non-standard shape – rectangular, oval, L-shaped, or complex 3D curves.
- Wide Material Options: Available in carbon steel (SAE 1070, 1095), stainless steel (304, 316), and alloy steel (60Si2Mn, 50CrV4).
- Surface Finishing: Zinc plating, electrophoresis, black oxide, or passivation to resist corrosion.
- Consistent Spring Rate: Each batch is tested for load deflection using a spring tester to ensure repeatability.
- 1-Year Warranty: Covers defects in material and workmanship under normal use.
| Parameter | Value Range |
|---|---|
| Wire Diameter | 0.1 mm – 10 mm |
| Outer Diameter (Max) | Up to 200 mm |
| Free Length | 5 mm – 500 mm |
| Total Coils | 2 – 50 (custom) |
| Tolerance Class | ±0.05 mm (standard), tighter available on request |
| Surface Treatment | Zinc, Electrophoresis, Black, Passivation, Oil |
| Packaging | Bulk in cartons, or individual plastic bags per customer spec |
Benefits to Your Business
- Reduce Assembly Failures: The ±0.05mm tolerance eliminates the need for rework or adjustment, saving time and cost.
- Enhanced Product Performance: Consistent spring force and dimensions improve the overall reliability of your end product.
- Customization Flexibility: We accept drawings or samples to produce springs that perfectly match your unique design.
- Fast Lead Times: With 20+ years of experience, we optimize production schedules to meet urgent orders.
- Global Logistics Support: Ship from Tianjin, Qingdao, or Shanghai ports – fast and efficient.
Why Choose Anping Boli?
As a manufacturer since 1998, we have dedicated ourselves to continuous improvement and customer satisfaction. Our factory is equipped with over 50 sets of spring coiling, grinding, and heat treatment equipment. We have a dedicated quality control team that performs 100% dimensional inspection on every batch. Our export volume of US$5–10 million annually demonstrates our capability to serve large-scale projects across diverse industries.
We offer free samples for evaluation (subject to freight charges). Our technical team is available to discuss your requirements and provide a customized solution. With a 1-year warranty, you can confidently integrate our springs into your products.
Contact us today to request a quote or discuss your irregular spring needs. We are committed to delivering precision, quality, and value.
Frequently Asked Questions
-
What does “Rigid Dimension Tolerance ±0.05mm” mean?
It means all critical dimensions of the spring (diameter, length, coil spacing) are manufactured within a deviation of plus or minus 0.05 millimeters. This ensures high precision for demanding applications. -
Can you produce springs with even tighter tolerance than ±0.05mm?
Yes, we can achieve ±0.02mm or tighter on request, depending on the geometry and material. Contact our engineers for feasibility. -
What irregular shapes can you make?
We can produce springs with custom shapes such as rectangular, triangular, L-shaped, U-shaped, or any 3D profile defined by your drawing or sample. -
Do you offer free samples?
Yes, we offer free samples for evaluation. The buyer only needs to cover the shipping cost. Samples are usually ready within 5-7 working days. -
What is the minimum order quantity (MOQ)?
Our MOQ is typically 500 pieces for standard sizes, but we can accept smaller quantities for custom orders subject to feasibility. -
How long does production take?
Lead time is typically 15–20 working days after sample approval and confirmation of order. Urgent orders can be expedited with prior arrangement. -
What materials are available for irregular springs?
We offer carbon steel (SAE 1070, 1095), stainless steel (304, 316), alloy steel (60Si2Mn, 50CrV4), and others upon request. We can also provide surface treatments like zinc plating, electrophoresis, or passivation. -
How do you ensure the 1-year warranty is honored?
We guarantee that our springs will be free from material defects and workmanship for 12 months from the date of shipment. If you encounter any issues, we will provide replacements or a refund after inspection.
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