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Help CenterDual-End Non-Sparking Wrench: Open End + 15° Offset Box End, Aluminum Bronze, Lightweight Design
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Welcome to Cangzhou Dean Safety&Special Tools Co., Ltd. — a trusted manufacturer since 2001, exporting over US$100 million annually to global markets. Our Dual-End Non-Sparking Wrench combines an open end and a 15° offset box end, engineered from premium aluminum bronze to deliver unmatched safety and performance in explosive environments. This lightweight design reduces user fatigue while ensuring reliable torque transmission, making it the ideal choice for professionals in oil refineries, chemical plants, mines, and other hazardous zones.
Every wrench is crafted to meet rigorous non-sparking standards, offering a safe, durable solution that protects both personnel and equipment. With our decades of manufacturing expertise and commitment to quality, this tool is built to last and perform under the toughest conditions.
Product Features & Benefits
- Dual-End Design: Combined open end and 15° offset box end for versatile access in tight spaces, reducing the need for multiple wrenches.
- Non-Sparking Material: Aluminum bronze alloy eliminates sparks upon impact, fully compliant with international safety standards for explosive atmospheres.
- Lightweight Construction: Up to 40% lighter than steel wrenches, minimizing hand and arm strain during extended use.
- Corrosion & Wear Resistance: Natural resistance to rust, chemicals, and extreme temperatures extends tool life even in harsh environments.
- Precision Engineering: Accurate jaw and box-end dimensions ensure a snug fit on fasteners, preventing slippage and damage.
- Easy Customization: Available in a wide range of sizes (6mm to 50mm) with optional special markings or handles.
Technical Specifications
| Material | Aluminum Bronze (CuAl10Fe3) |
| Wrench Type | Dual-End: Open End + 15° Offset Box End |
| Weight | Approx. 0.3 kg (varies by size) |
| Hardness | HB 110–150 |
| Tensile Strength | ≥500 MPa |
| Size Range | 6 mm – 50 mm (custom sizes available) |
| Operating Temperature | -40°C to +200°C |
| Non-Sparking Performance | Tested per ASTM F2666 (optional) |
Why Choose Our Wrench?
Unlike ordinary steel tools, our aluminum bronze wrench eliminates the risk of sparks, making it indispensable in Zone 0, Zone 1, and Zone 2 hazardous areas. The 15° offset box end allows you to easily rotate fasteners in confined spaces, while the open end works perfectly for quick loosening or tightening. The lightweight design not only improves portability but also reduces the chance of accidental drops, further enhancing workplace safety.
Each wrench undergoes strict quality control at our Hebei factory, ensuring consistent hardness, dimensional accuracy, and non-sparking properties. Our team has been serving the oil, gas, chemical, and mining industries for over 20 years, and we understand the critical need for reliable safety tools.
Trust & Reliability
Cangzhou Dean Safety&Special Tools Co., Ltd. has built a strong reputation as a leading manufacturer and exporter, with annual exports exceeding US$100 million. Our products are trusted by clients across North America, Europe, Southeast Asia, the Middle East, and beyond. We offer flexible shipping from Tianjin, Shanghai, and Ningbo ports, and we support small trial orders as well as large container shipments. With our competitive pricing and customization services, you can get the exact tools you need for your specific application. Contact us today for a quote or technical consultation — our experienced team is ready to assist you.
Frequently Asked Questions (FAQ)
1. What makes this wrench non-sparking?
The wrench is made of aluminum bronze, a copper-aluminum alloy that does not produce sparks when struck against steel or concrete. This property is inherent to the material, not a coating.
2. Can I use this wrench in a chemical plant with corrosive gases?
Yes. Aluminum bronze offers excellent corrosion resistance to many chemicals, including chlorides, sulfides, and acids. For specific chemical compatibility, please consult our technical team.
3. What sizes are available? Can I get a custom size?
We stock sizes from 6 mm to 50 mm (metric) and equivalents in inch sizes. Custom sizes and special markings are available upon request with minimum order quantities.
4. Is the 15° offset angle beneficial for all applications?
The 15° offset provides a mechanical advantage when turning fasteners in recessed or confined areas. It is particularly useful for plumbing, valve adjustments, and engine work where clearance is limited.
5. How does the weight compare to a steel wrench of the same size?
Our aluminum bronze wrench is approximately 40% lighter than a carbon steel wrench and about 30% lighter than stainless steel. This reduces user fatigue without compromising strength.
6. Do you provide test certificates for non-sparking performance?
Yes, we can provide material test reports and non-sparking performance certificates if requested. Our standard production follows recognized safety protocols.
7. What is the minimum order quantity (MOQ) for this wrench?
For standard sizes, MOQ is typically 50 pieces. For custom sizes or special orders, MOQ may vary. Contact us for details.
8. Can I get a sample before placing a bulk order?
Yes, sample orders are welcome. We will charge a sample fee and shipping cost, which can be deducted from a future bulk order. Please request a sample by contacting our sales team.
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