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Help CenterNon-Magnetic Double-Ended Open-End Wrench With Mill Test Report and Quality Guarantee for Industrial Use
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Cangzhou Dean Safety & Special Tools Co., Ltd., a trusted manufacturer since 2001 with an annual export value exceeding US$100 million, proudly presents our Non-Magnetic Double-Ended Open-End Wrench. This industrial-grade tool is meticulously crafted to meet the demanding requirements of environments where magnetic materials are strictly prohibited, ensuring both safety and performance. Each wrench comes with a Mill Test Report (MTR) and a solid quality guarantee, making it the preferred choice for professionals in oil fields, chemical plants, and aerospace facilities.
Our wrenches are made from premium non-magnetic alloys such as beryllium copper and aluminum bronze, offering exceptional strength, corrosion resistance, and non-sparking properties. The double-ended open-end design provides versatility for fastening and loosening nuts and bolts in tight spaces. With rigorous quality control at every production stage, we ensure dimensional accuracy, surface finish, and material consistency. Below is a detailed overview of the technical specifications and benefits.
Key Features & Technical Specifications
- Non-Magnetic Property: Magnetic permeability ≤1.005, safe for use in MRI rooms, electronics assembly, and magnetic-sensitive areas.
- Corrosion & Spark Resistance: Beryllium copper or aluminum bronze material prevents sparks in flammable/explosive atmospheres (e.g., gas, petrochemical).
- Precision Dimensions: Both metric (6-50mm) and inch (1/4"-2") sizes available, machined to ±0.05mm tolerance.
- Double-Ended Design: One tool replaces two single-end wrenches, saving space and weight in toolkits.
- Polished Finish: Smooth surface reduces hand fatigue and prevents contamination in clean environments.
- Mill Test Report Included: Each batch is tested for chemical composition, tensile strength, and magnetic permeability, with documented MTR.
- Quality Guarantee: 100% inspection before shipment; free replacement for manufacturing defects within 12 months.
| Property | Value |
|---|---|
| Tensile Strength | ≥ 1100 MPa |
| Hardness (HRC) | 38-42 |
| Magnetic Permeability | |
| Elongation | ≥ 10% |
Customer Benefits: Using our non-magnetic wrench eliminates the risk of magnetic contamination in sensitive equipment and environments. The double-ended open-end design allows faster work in confined spaces, reducing downtime. The included Mill Test Report provides full traceability, essential for quality audits and compliance with industry standards such as NACE, ASTM, and OSHA requirements (where applicable). Every tool is individually tested to ensure consistent hardness and non-magnetic characteristics.
With over 20 years of manufacturing excellence, Cangzhou Dean Safety & Special Tools Co., Ltd. has shipped to more than 15 international markets including North America, Europe, and Southeast Asia. Our annual export value of over US$100 million reflects the trust placed in our products by major industrial clients. We offer flexible packaging options (individual or set boxes), and custom sizes are available upon request. Ports of shipment include Tianjin, Shanghai, and Ningbo, ensuring efficient global logistics.
Choose our Non-Magnetic Double-Ended Open-End Wrench with Mill Test Report and Quality Guarantee for uncompromised safety and reliability in your industrial operations. Contact our sales team today to place an order or request a quotation.
Frequently Asked Questions
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Q: What is a Mill Test Report (MTR) and why is it important?
A: An MTR is a quality document that certifies the chemical composition, mechanical properties, and magnetic permeability of the material used in the wrench. It verifies that the tool meets non-magnetic and safety specifications, which is crucial for industries like oil & gas and aerospace. -
Q: Can this wrench be used in explosive atmospheres?
A: Yes, because the beryllium copper material is non-sparking, it is safe for use in flammable gas, dust, and volatile chemical environments. -
Q: Are these wrenches available in sets or only individually?
A: They can be supplied individually or as a complete set (e.g., 6-piece to 20-piece sets) in a durable tool roll or case. Custom packaging is available. -
Q: What sizes do you offer?
A: We offer metric sizes from 6mm to 50mm and inch sizes from 1/4" to 2". Custom sizes can be produced for large quantity orders. -
Q: How can I verify the non-magnetic property?
A: Every wrench comes with an MTR that includes magnetic permeability test results. You can also request a third-party inspection. -
Q: What is your quality guarantee?
A: We provide a 12-month quality guarantee covering manufacturing defects. If a defect is found, we will replace the tool free of charge. -
Q: Do you offer samples before bulk order?
A: Yes, sample orders are welcome. The sample cost can be deducted from the first bulk order. -
Q: Which shipping ports do you use?
A: We ship from Tianjin, Shanghai, and Ningbo. Air and sea freight options are available.
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