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Help CenterFactory Direct Anti-magnetic Double Open-Ended Wrench, Free Technical Support, 100% Inspection Before Shipment
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Welcome to Cangzhou Dean Safety&Special Tools Co., Ltd. – your trusted manufacturer of high-performance anti-magnetic double open-ended wrenches. Since 2001, we have been dedicated to producing reliable safety tools for hazardous environments, with an annual export value exceeding US$100 Million and shipments to over 50 countries. Our factory-direct pricing, 100% inspection before shipment, and free technical support ensure you receive premium wrenches that meet the most stringent safety standards. Whether you work in oil refineries, chemical plants, or mining operations, our anti-magnetic double open-ended wrench delivers superior torque, durability, and spark-free performance.
This tool is crafted from beryllium copper or aluminum bronze alloys, specifically selected for their non-magnetic and non-sparking properties. The double open-end design allows quick size changes without repositioning the tool, increasing efficiency in tight spaces. Each wrench undergoes rigorous dimensional, hardness, and magnetic permeability tests before leaving our factory – a promise of 100% inspection that sets us apart. Our engineering team provides free technical advice on material selection, size customization, and application-specific requirements, ensuring you get the exact tool for your job.
Key Features & Technical Specifications
Anti-Magnetic Performance: Magnetic permeability
Non-Sparking Safety: Complies with international explosion-proof standards (ATEX, IECEx equivalent – available upon request).
High Corrosion Resistance: Passes 72-hour salt spray test; suitable for offshore and chemical industries.
Double Open-End Design: Two different jaw sizes on each end (e.g., 10×12 mm) reduce tool changes by up to 50%.
Precision Machining: Jaw opening tolerance ±0.1 mm ensures tight fit and prevents bolt rounding.
Ergonomic Handle: Smooth polished surface with comfortable grip, reducing hand fatigue during prolonged use.
Custom Options: Sizes from 6 mm to 55 mm, special lengths, or surface marking available.
| Parameter | Value |
|---|---|
| Material | Beryllium Copper (BeCu) or Aluminum Bronze (AlBr) |
| Hardness | HRC 35–42 |
| Tensile Strength | ≥ 760 MPa (BeCu) |
| Magnetic Permeability | |
| Surface Treatment | Polished / Passivated / Custom coating |
| Weight (approx.) | 0.25 kg (12×14 mm size) |
| Packing | Single in polybag / Sets in foam insert / Custom |
Why Choose Our Anti-Magnetic Double Open-Ended Wrench?
100% Inspection Before Shipment: Every wrench is tested for size, hardness, magnetic properties, and surface finish in our in-house lab. You receive only defect-free tools.
Free Technical Support: Our engineers (average 15+ years experience) provide free consultation on material selection, application safety, and custom design. No extra charges for technical questions.
Factory Direct Pricing: Cut out middlemen – you get high-quality tools at competitive prices. Minimum order quantity is flexible for trial orders.
Global Logistics: Shipped from Tianjin, Shanghai, or Ningbo ports with reliable carriers. We handle documentation and customs clearance assistance.
Proven Export Experience: Serving North America, South America, Europe, Africa, Middle East, and Southeast Asia for over two decades. Trusted by major oil & gas and chemical companies.
Note: While our anti-magnetic wrenches are designed to meet common industry safety standards (e.g., FM, ATEX equivalent), specific certification documents can be provided upon request. We do not claim any unverified certifications.
Trust Us with Your Next Order
With a factory established in 2001 and annual export value surpassing US$100 Million, Cangzhou Dean Safety&Special Tools Co., Ltd. is a reliable partner for safety-critical tools. Our 100% inspection policy and free technical support are not just promises – they are integral to our manufacturing process. We have shipped millions of wrenches to customers in over 50 countries, consistently earning repeat orders through quality and service. Contact us today to request a sample, get a quotation, or discuss custom sizes. Experience the difference of working with a manufacturer that prioritizes your safety and satisfaction.
Frequently Asked Questions (FAQ)
1. What materials are used for anti-magnetic wrenches?
We use beryllium copper (BeCu) and aluminum bronze (AlBr) alloys. Both are non-magnetic and non-sparking. Beryllium copper offers higher strength, while aluminum bronze provides better corrosion resistance. We can recommend the best choice based on your working environment.
2. Are these wrenches certified as explosion-proof?
Our wrenches are designed to meet international explosion-proof requirements (e.g., ATEX, IECEx, FM). While we do not include certification names in our standard listing, we can provide test reports or work with third-party certification bodies upon request. Please contact us for details.
3. What size ranges are available?
Standard sizes range from 6 mm to 55 mm (metric) and from 1/4 inch to 2 inches (inch series). Custom sizes are available with a minimum order quantity; please consult our technical support team.
4. Do you offer a warranty?
Yes, we provide a standard warranty against manufacturing defects. If any issue is found, we will replace or repair the tools free of charge. Since every item is 100% inspected before shipping, defect rates are extremely low.
5. Can I get a sample before bulk order?
Absolutely. Sample orders are welcome. We can produce standard sizes as samples quickly, and sample costs can be deducted from the first large order. Shipping charges are at cost.
6. How does the double open-end design benefit me?
Each end of the wrench has a different jaw size (e.g., 10×12 mm). This allows you to work with two bolt sizes without switching tools, saving time and effort in tight spaces. It is especially useful in maintenance and repair tasks.
7. What is the typical lead time?
For standard sizes in stock, shipment can be arranged within 7–10 days. For custom sizes or special materials, lead time is 20–30 days depending on quantity.
8. How do you ensure anti-magnetic performance?
Every batch is tested with a magnetic permeability meter. We guarantee permeability
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