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Help Center304 Stainless Steel Non-Magnetic Single Open End Wrench With Mirror Polish, 17-32mm Opening
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As a leading manufacturer since 2001, Cangzhou Dean Safety & Special Tools Co., Ltd. proudly presents our 304 Stainless Steel Non-Magnetic Single Open End Wrench with Mirror Polish, available in 17-32mm opening sizes. This wrench is specifically engineered for environments where non-sparking, non-magnetic, and corrosion-resistant tools are essential, such as oil refineries, chemical plants, pharmaceutical labs, and food processing facilities. The mirror-polished finish not only enhances appearance but also simplifies cleaning and reduces contamination risks.
Key Features & Technical Specifications:
| Material | AISI 304 Stainless Steel |
| Opening Range | 17mm, 18mm, 19mm, 21mm, 22mm, 23mm, 24mm, 27mm, 30mm, 32mm (single sizes or custom sets) |
| Surface Finish | Mirror Polish (Ra ≤ 0.4μm) |
| Magnetic Permeability | ≤ 1.005 (Non-Magnetic) |
| Hardness (HRC) | ≥ 25 (as per standard austenitic stainless steel) |
| Salt Spray Resistance | ≥ 48 hours (no pitting corrosion) |
Non-Magnetic Property: Ideal for MRI rooms, electronic assembly, and environments where magnetism could interfere with sensitive equipment.
Mirror-Polished Surface: Prevents bacterial adhesion and is easy to sanitize, meeting hygienic standards for food and pharmaceutical industries.
Durable 304 Stainless Steel: Excellent resistance to rust, acids, and alkaline chemicals, extending tool life even in harsh conditions.
Single Open End Design: Lightweight and compact, allowing access to confined areas while providing precise torque control.
Customizable Options: Available in individual sizes or as a complete set (e.g., 17-32mm), with or without insulation handles (upon request).
Benefits to Your Business:
Enhanced safety in explosive atmospheres – no sparks from friction or impact.
Reduced contamination risk in cleanrooms and food contact applications.
Long service life lowers replacement costs and downtime.
Compliance with international quality expectations: our tools are exported to over 20 countries across North America, Europe, Asia, and Oceania.
Trust & Reliability from Dean Safety
With 22+ years of manufacturing experience and annual export value exceeding US$100 million, Cangzhou Dean Safety has supplied premium tools to major industries worldwide. We ship from Tianjin, Shanghai, and Ningbo ports, ensuring timely delivery. Our factory uses high-quality raw materials and precise machining processes to guarantee consistent product performance. We welcome OEM/ODM requests and bulk orders. Contact us today for a quote or sample – experience the Dean difference in your critical applications.
Frequently Asked Questions (FAQ)
Q: Is this wrench completely non-magnetic?
A: Yes, the 304 stainless steel wrench has a magnetic permeability ≤1.005, which is considered non-magnetic for practical purposes. It will not interfere with sensitive magnetic fields.Q: What opening sizes are available?
A: We offer standard single sizes from 17mm to 32mm. Custom sizes within this range can be produced upon request. You can also order a complete set covering the full range.Q: Can this wrench be used in food processing?
A: Absolutely. The mirror-polished surface is smooth, non-porous, and easy to clean, meeting hygienic requirements for direct contact with food (ensure it is used for tool purposes only).Q: Is the wrench resistant to chemicals?
A: 304 stainless steel offers good resistance to many organic and inorganic chemicals, including acids (except strong chlorides). For highly aggressive environments, we recommend verifying compatibility or considering our 316L options.Q: Do you provide custom branding or packaging?
A: Yes, we support OEM services including laser engraving your logo, custom color coating (if needed), and tailored packaging (individual blister packs, tool rolls, or plastic cases).Q: How do I clean the mirror-polished surface?
A: Wipe with a soft cloth and mild detergent; avoid abrasive cleaners. The mirror finish resists staining and fingerprints, making maintenance simple.Q: What is the minimum order quantity (MOQ)?
A: MOQ varies by size. For standard sizes, we typically accept orders as low as 50 pieces per size. For custom sets, please contact our sales team for details.Q: Do you provide a warranty?
A: Yes, we offer a 1-year warranty against material and manufacturing defects. Tools damaged due to misuse are not covered but can be repaired at reasonable cost.
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