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Help CenterCr-V Steel Non-Magnetic Double-Ended Box Spanner 10-19mm Metric for Precision Work
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Welcome to Cangzhou Dean Safety & Special Tools Co., Ltd. – a manufacturer with over two decades of experience since 2001, exporting to markets across North America, Europe, Asia, and more. Our Cr-V Steel Non-Magnetic Double-Ended Box Spanner (10-19mm Metric) is engineered for precision environments where magnetic interference must be eliminated. This spanner combines durability, accuracy, and safety, making it an essential tool for technicians working on sensitive electronic assemblies, aerospace components, or laboratory equipment.
Crafted from high-quality chrome vanadium steel, this tool offers excellent strength and wear resistance while remaining completely non-magnetic. The double-ended box design provides two sizes per spanner (e.g., 10×11mm, 12×13mm, etc.), reducing tool count and increasing efficiency. Whether you are a professional mechanic or a precision engineer, this spanner delivers reliable performance in demanding conditions.
Key Features & Benefits
Non-Magnetic Property: Safe for use near sensitive electronics, MRI equipment, and devices where magnetism could cause damage or inaccurate readings.
Chrome Vanadium Steel Construction: Offers high torque capacity, corrosion resistance, and long service life – even under repetitive use.
Double-Ended Design: Each spanner covers two metric sizes – eliminating the need for multiple single-size wrenches. The set covers from 10mm up to 19mm.
Precision Machining: Broached box ends ensure a tight fit on fasteners, reducing rounding and slippage. Ideal for precision work where exact torque application is required.
Metric Sizing: Complies with international metric standards – suitable for global automotive, industrial, and engineering applications.
Compact & Portable: Lightweight and easy to carry; fits neatly into standard tool rolls or cases.
Technical Specifications
| Parameter | Details |
|---|---|
| Material | Chrome Vanadium Steel (Cr-V) |
| Magnetic Properties | Non-magnetic (certified per client specification) |
| Size Range | 10mm – 19mm (in increment pairs: 10×11, 12×13, 14×15, 16×17, 18×19) |
| Hardness | 48-52 HRC (heat treated to prevent deformation) |
| Surface Finish | Optional: Phosphate, Black Oxide, or as requested |
| Packaging | Individual polybag or blister pack, customizable |
| Applicable Standards | DIN 3120, ASME B107.110 (design reference) |
Detailed Application & Advantages
The non-magnetic nature of this spanner is critical in industries where even a small magnetic field can affect operations. For example, in medical device manufacturing, avionics assembly, cleanroom environments, and nuclear facilities, standard steel tools are prohibited. Our Cr-V steel is specifically processed to retain its non-magnetic characteristics, giving you peace of mind. Additionally, the double-ended box design reduces the number of tools needed – five spanners cover ten sizes. Each box end is precisely broached to 12-point geometry, ensuring a secure grip on hex fasteners without rounding corners.
Benefits at a glance:
Eliminates magnetic contamination – essential for precision work.
High torque transmission due to Cr-V material and proper heat treatment.
Compact storage – each spanner covers two sizes; set of five covers 10-19mm.
Ergonomic handling – slim profile for access in tight spaces.
Corrosion-resistant finish options extend tool life.
Trust and Quality – Why Choose Us?
Cangzhou Dean Safety & Special Tools Co., Ltd. has been a reliable manufacturer since 2001. With an annual export value exceeding US$100 million, we serve clients in North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are shipped from major ports including Tianjin, Shanghai, and Ningbo. We stand behind the quality of our tools through rigorous in-house testing and continuous innovation. Each batch of non-magnetic spanners is checked for magnetism using sensitive Gauss meters before shipment. Feel free to request a sample or custom sizes – we are here to meet your specific requirements.
Don’t compromise on safety and precision. Contact us today to place an order or inquire about bulk pricing. Our team is ready to provide you with a competitive quote and reliable logistics support.
Frequently Asked Questions (FAQ)
Q1: Is this spanner completely non-magnetic?
A1: Yes, the entire spanner is made from specially processed chrome vanadium steel that exhibits negligible magnetic permeability. We can provide test reports upon request.
Q2: What sizes are included in a full set?
A2: The set typically includes five double-ended spanners: 10×11mm, 12×13mm, 14×15mm, 16×17mm, and 18×19mm. However, we can customize the size combinations per your needs.
Q3: Can I use this tool in a cleanroom or laboratory environment?
A3: Absolutely. The non-magnetic property and optional anti-static surface finishing make it suitable for cleanrooms, electronics assembly, and laboratory settings.
Q4: What is the hardness of this tool?
A4: It is heat-treated to 48-52 HRC, providing a good balance between strength and toughness to resist wear without becoming brittle.
Q5: Is the surface finish rust-resistant?
A5: Yes, we offer various finishes such as phosphate or black oxide that provide corrosion resistance. Please specify your requirement when ordering.
Q6: Can I order a sample before bulk purchase?
A6: Yes, we welcome sample orders. Sample cost and freight will be communicated; for bulk orders, sample cost may be refundable.
Q7: How is the tool packaged for export?
A7: Standard packaging is individual polybag with barcode label, then packed in inner boxes and export cartons. Custom branding and packaging are available.
Q8: What is the lead time for a standard order?
A8: Typical lead time is 25-35 days after deposit confirmation, depending on order quantity and current workload. We will confirm the exact schedule with you.
Note: All technical data are for reference only. Actual performance may vary based on application conditions. Please contact our sales team for detailed specifications.
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