High Torque Single Ring Box Wrench for Machinery Maintenance in Mining and Marine Ship Applications
Product Spotlights
Welcome to Cangzhou Dean Safety & Special Tools Co., Ltd. — a trusted manufacturer with over two decades of experience delivering high-performance tools to global industries. Our High Torque Single Ring Box Wrench is engineered specifically for the demanding environments of machinery maintenance in mining and marine ship applications. This wrench combines exceptional torque output with a slim, single-ring design that allows access to tight spaces without sacrificing strength. Whether you are repairing heavy equipment underground or performing routine maintenance on a vessel, this tool is built to withstand harsh conditions and provide reliable, repeatable performance.
Key Features & Technical Specifications
- High Torque Output: Forged from premium chrome vanadium steel and heat-treated for maximum strength, ensuring you can loosen or tighten stubborn fasteners with confidence.
- Single Ring Design: Compact profile allows operation in recessed or confined areas where double-sided wrenches cannot fit – ideal for compressors, pumps, and engine compartments.
- Precision 12-Point Profile: The box end engages fasteners at multiple points, reducing the risk of rounding and allowing for a secure grip even on worn bolts.
- Corrosion & Wear Resistance: Full hardening and a protective finish (matte or polished chrome) resist rust, salt spray, and abrasion in marine and mining environments.
- Ergonomic Handle: Smooth, rounded edges prevent hand fatigue during prolonged use, while the slim body provides clear visibility around the work area.
- Customizable Options: Available in metric sizes from 8mm to 36mm; can be supplied as individual pieces or in custom kits. Laser etching for part number or logo is available upon request.
| Parameter | Value |
|---|---|
| Size | 24mm |
| Length | Approx. 320mm |
| Material | Cr-V Steel (Chrome Vanadium) |
| Hardness | HRC 38-44 |
| Finish | Polished Chrome or Matte Blue |
| Torque Capacity | Up to 300 Nm (depending on size) |
| Weight | Approx. 0.45 kg |
Benefits for Your Industry
- Mining Machinery Maintenance: Withstands exposure to dust, dirt, and extreme forces. The single-ring design enables access to tight spaces in crushers, conveyors, and drilling rigs.
- Marine Ship Applications: Resistant to saltwater corrosion and built for heavy-duty use in engine rooms, propeller shafts, and deck equipment. The 12-point profile provides quick indexing on fasteners.
- Versatility: Ideal for mechanical, hydraulic, and pneumatic systems where precision torque is required. Suitable for both assembly and disassembly tasks.
- Cost-Effective: Long service life reduces replacement frequency. Bulk ordering and custom sets help manage inventory costs.
Why Choose Dean Safety & Special Tools?
Since 2001, Cangzhou Dean Safety & Special Tools Co., Ltd. has been a leading manufacturer dedicated to quality and innovation. Our annual export value exceeds US$100 million, supplying tools to clients in North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. We ship from major ports in Tianjin, Shanghai, and Ningbo, ensuring fast and reliable logistics. With a strong domestic market presence and decades of experience, we have earned a reputation for consistently delivering tools that meet the most demanding industrial standards.
We understand the critical nature of maintenance in mining and marine sectors. Every High Torque Single Ring Box Wrench is produced under strict quality control, from raw material selection to final inspection. Our team is ready to provide customization services (size, packaging, marking) to meet your specific requirements. Contact us today for a quote or sample order – let us prove why Dean tools are the smart choice for your operations.
Frequently Asked Questions
-
Q: What is the difference between a single ring box wrench and a standard combination wrench?
A: A single ring box wrench has a closed, ring-shaped head on only one end, allowing you to apply higher torque in tight spaces where a double-ended wrench would not fit. It is ideal for confined machinery areas in mining and marine environments. -
Q: Are these wrenches available in SAE (inch) sizes?
A: Yes, we offer both metric and SAE sizes. Please specify your requirement when placing an order. Custom sizes can be produced upon request. -
Q: Can I get the wrench with a 6-point instead of 12-point design?
A: Absolutely. While our standard is 12-point for faster indexing, 6-point versions are available for higher torque applications on hex fasteners. Let us know your preference. -
Q: How do you ensure the wrench resists rust in marine conditions?
A: Our wrenches undergo a heat-treatment process followed by a corrosion-resistant finish, such as polished chrome or matte blue coating. Additionally, the chrome vanadium steel itself offers inherent resistance to oxidation. -
Q: What is the lead time for a bulk order of 500 pieces?
A: Typically, production takes 15–25 working days after confirmation, depending on size and customization. We maintain an inventory of common sizes for faster delivery. Contact our sales team for an exact timeline. -
Q: Do you supply wrenches as a complete set or individually?
A: Both options are available. We can package individual wrenches or provide custom sets (e.g., 8–32mm set) in a roll pouch or plastic tray. OEM branding is supported. -
Q: Is there a minimum order quantity (MOQ)?
A: For standard sizes, our MOQ is 50 pieces per size. For custom specifications, MOQ may vary. We welcome small trial orders to evaluate quality. -
Q: Can I request a free sample before placing a large order?
A: Yes, sample samples are available for a nominal fee, which is refundable when you place a formal order. Please get in touch with our sales department.
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