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Cangzhou Dean Safety&Special Tools Co.,Ltd, with over 20 years of manufacturing experience since 2001, presents our premium Non-Sparking Double Box Offset Wrench Ring Spanner 22*24 mm. This professional-grade tool is engineered for the most demanding environments where safety and reliability are non-negotiable. As a leading manufacturer with annual exports exceeding US$100 million, we ensure every wrench meets rigorous quality standards to protect workers and assets in hazardous locations.
Our double box offset wrench combines two popular sizes—22mm and 24mm—into a single robust tool, allowing quick size change without switching tools. The offset design provides better access to recessed nuts and bolts, reducing hand fatigue and improving torque application. Crafted from high-strength aluminum bronze alloy, this ring spanner is fully non-sparking, making it ideal for use in flammable gas, vapor, or dust environments.
Key Features & Benefits
- Non-Sparking Safety: Made from aluminum bronze – a copper-based alloy that eliminates ignition risk in explosive atmospheres (e.g., oil refineries, chemical plants, coal mines).
- Double Box End Design: Two sizes (22mm & 24mm) in one tool – reduces weight and inventory, increases efficiency on the job.
- Offset Configuration: 15° offset angle allows better clearance over obstacles and easier turning in tight spaces.
- Superior Durability: Alloy composition provides high tensile strength, corrosion resistance, and long service life even in harsh conditions.
- Comfortable Grip: Smooth, burr-free surface with ergonomic shape minimizes hand strain during prolonged use.
- Precision Fit: Manufactured to tight tolerances (DIN standard available upon request) for secure engagement with fasteners.
Technical Specifications
| Parameter | Value |
|---|---|
| Size Combination | 22 mm & 24 mm (hex) |
| Material | Aluminum Bronze (CuAl10Fe5Ni5 or equivalent) |
| Offset Angle | Approx. 15° |
| Surface Finish | Polished, anti-corrosion |
| Hardness | HB 80-100 (typical) |
| Weight (approx.) | 0.45 kg per piece |
Each wrench is individually tested for non-sparking properties before shipment. The double box offset design not only saves time but also reduces the risk of dropping or misplacing wrenches on the job site. Our tools are widely used by major oil & gas, chemical, and mining companies across North America, Europe, Southeast Asia, Africa, and the Middle East.
Why Choose Dean Safety?
As a trusted factory founded in 2001, we have shipped over US$100 million worth of safety tools annually to more than 10 global markets. Our products are shipped from the ports of Tianjin, Shanghai, and Ningbo, ensuring fast and reliable logistics. We offer customizable options such as different alloy compositions, special packaging, and even branding to meet your specific requirements. With a dedicated quality control team and a commitment to continuous improvement, we guarantee that each Non-Sparking Double Box Offset Wrench performs flawlessly in the field.
Contact us today for a quotation or technical consultation. Our English-speaking sales team is ready to assist with bulk orders or custom specifications. Experience the Dean Safety difference – safety first, always.
Frequently Asked Questions (FAQ)
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Q: Is this wrench truly non-sparking? How is it tested?
A: Yes, our wrench is made of aluminum bronze alloy which does not produce sparks upon impact or friction. Each batch is tested using a drop test and grinding test to confirm non-sparking performance. -
Q: Can I use this wrench for 22mm and 24mm nuts interchangeably?
A: Absolutely. The double box design includes a 22mm opening on one end and a 24mm opening on the other, allowing you to work with both sizes without changing tools. -
Q: What is the advantage of the offset design?
A: The 15° offset provides better clearance when working near walls, machinery, or in confined spaces. It also reduces the need to reposition your hand repeatedly. -
Q: Is the material corrosion-resistant?
A: Yes, aluminum bronze offers excellent resistance to corrosion, especially in marine, chemical, and humid environments. It also resists rust better than steel tools. -
Q: Do you provide certifications or test reports?
A: We can provide a certificate of conformance and material test reports upon request. However, specific third-party certifications like ATEX or IECEx are available as optional add-ons – please inquire. -
Q: What is the minimum order quantity?
A: For stock items, MOQ is 10 pieces. For custom orders, MOQ may vary depending on specifications. Contact our sales team for details. -
Q: How is the tool packaged for export?
A: Standard packaging includes individual plastic sleeve and bulk carton. Custom packaging (blister pack, tool roll, etc.) is available upon request. -
Q: What is the lead time for shipping?
A: Typical lead time for stock items is 3-5 working days. For custom orders, it is 15-25 working days depending on complexity. We ship from Tianjin, Shanghai, or Ningbo.
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