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Help CenterFactory Direct Non-Sparking Double Offset Wrench Ring Spanner 18*19 Free Replacement 1-Year Warranty
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Cangzhou Dean Safety & Special Tools Co., Ltd, founded in 2001 with an annual export value exceeding US$100 Million, is a leading manufacturer of safety and specialty tools. We proudly present our Factory Direct Non-Sparking Double Offset Wrench Ring Spanner 18*19 – a premium solution for hazardous environments where spark prevention is critical. This ring spanner combines exceptional durability with a double offset design for enhanced access, backed by a free replacement policy and a 1-year warranty that demonstrates our commitment to quality.
Crafted from high-grade copper-beryllium or aluminum-bronze alloys, this tool meets the strictest non-sparking requirements, making it ideal for use in oil refineries, chemical plants, mines, and offshore platforms. The double offset head allows you to work in confined spaces with ease, while the precise 18*19mm sizing fits standard hexagonal fasteners. Our factory-direct pricing ensures competitive value without compromising on safety or performance.
Key Features & Technical Specifications
- Non-Sparking Material: Made from copper alloy (CuBe or Al-Br) that eliminates spark risk when striking or rubbing against steel or concrete.
- Double Offset Design: 45° offset on both ends for better leverage and clearance in tight spots.
- Ring (Box) End: 12-point broaching ensures a secure grip on bolts and prevents rounding.
- Size Marking: Clearly engraved 18*19 on the shaft for quick identification.
- High Hardness: Heat-treated to provide strength comparable to steel while maintaining non-sparking properties.
- Corrosion Resistance: Alloy withstands moisture, chemicals, and saltwater environments.
- Free Replacement Guarantee: If the tool fails under normal use within warranty period, we replace it free of charge.
- 1-Year Warranty: Covers manufacturing defects.
| Parameter | Specification |
| Model | DS-DOW1819 |
| Size (mm) | 18 x 19 |
| Overall Length (approx.) | 280 mm |
| Weight | ~0.45 kg |
| Material Option 1 | Beryllium Copper (CuBe2) |
| Material Option 2 | Aluminum Bronze (CuAl10Ni5Fe4) |
| Hardness (Rockwell) | HRC 25–30 (Achieved after heat treatment) |
| Warranty | 1 Year (Free replacement within period) |
The double offset ring spanner is designed to provide maximum torque transfer while preventing fastener damage. Its 12-point broaching grips the bolt at multiple contact points, reducing slippage. Compared to standard wrenches, the offset shape allows the tool to sit flat on the nut even when obstacles are present. This feature significantly reduces worker fatigue and improves efficiency in confined spaces.
Each spanner undergoes strict quality control at our factory in Cangzhou, Hebei. We use spark testing and hardness checks to ensure every piece meets our high standards. The non-sparking capability is inherent to the alloy, not a coating, so it remains effective even after years of heavy use. This tool is suitable for Zone 0, Zone 1, and Zone 2 hazardous areas classified under ATEX and similar international standards (please consult your local regulations for specific approval needs).
Why Choose Cangzhou Dean Safety & Special Tools?
With over 20 years of manufacturing experience and an annual export value exceeding US$100 Million, we have supplied non-sparking tools to industries across North America, South America, Europe, Asia, Africa, and Oceania. Our factory direct model eliminates middlemen, offering you competitive pricing without sacrificing quality. We ship from Tianjin, Shanghai, and Ningbo ports, ensuring fast delivery worldwide.
Our free replacement program for defects within the warranty period demonstrates our confidence in these tools. Thousands of professionals trust Dean Tools for their safety-critical operations. We also offer customization options such as special sizes, engraved logos, or tailored packaging to meet your specific procurement needs.
Don't compromise on safety. Contact us today for bulk orders or samples. Our team is ready to provide technical support and fast quotations.
Frequently Asked Questions (FAQ)
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Q: What makes this wrench non-sparking?
A: The tool is made from copper-beryllium or aluminum-bronze alloys, which do not generate sparks upon impact or friction. This is a material property, not a coating, ensuring long-term safety. -
Q: Can I use it in underwater or corrosive environments?
A: Yes, the aluminum-bronze variant offers excellent corrosion resistance in seawater and chemical environments. The beryllium copper version is also resistant but slightly less so than aluminum-bronze. -
Q: Is the 18*19 size metric or imperial?
A: Both sizes are metric: 18mm and 19mm. They fit corresponding hex nuts/bolts commonly used in industrial machinery. -
Q: What does the free replacement cover?
A: Free replacement covers manufacturing defects (e.g., cracking, material flaws) within 1 year of purchase. Normal wear, misuse, or modification are not covered. See warranty card for details. -
Q: Do you offer other sizes?
A: Yes, we produce a full range of non-sparking wrenches from 6mm to 55mm. Contact us for a complete catalog. -
Q: How should I maintain this tool?
A: Keep it clean and dry after use. Avoid exposure to strong acids unless using aluminum-bronze. Periodic hardness checks are not necessary but can prolong service life. -
Q: Is this tool certified for use in gas atmospheres?
A: The material is inherently non-sparking and meets general safety standards for hazardous locations. Specific certifications (e.g., ATEX, IECEx) can be provided upon request for an additional cost – please inquire for details. -
Q: What is the lead time for bulk orders?
A: Standard stock items (including 18*19) ship within 15 days. Custom sizes or engravings may require 25–35 days, depending on volume.
Upgrade your safety tool set today. With Dean's factory-direct pricing, 1-year warranty, and free replacement, you get unmatched value. Request a quote or sample now!
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