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Help CenterHeavy Duty Bent Handle Ring Wrench CR-MO Steel 30-50mm Heat
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Professional-Grade Heavy Duty Bent Handle Ring Wrench – Engineered for Maximum Torque and Durability
As a leading manufacturer from Cangzhou Dean Safety&Special Tools Co., Ltd (established in 2001), we are proud to present our Heavy Duty Bent Handle Ring Wrench in CR-MO Steel, covering sizes from 30mm to 50mm with full heat treatment. Designed for professionals who demand reliability under extreme conditions, this wrench delivers superior strength, precise fit, and long service life. Our company, with an annual export value exceeding US$100 million, supplies to global markets including North America, Europe, and Asia. Every wrench is manufactured using advanced forging and heat treatment processes, ensuring consistent hardness and resistance to wear. Whether you are working on heavy machinery, truck maintenance, or industrial assembly, our bent handle ring wrench provides the leverage and durability you need.
Key Features & Technical Specifications
- Material Excellence: Made from drop-forged CR-MO (Chromium-Molybdenum) alloy steel, which offers an excellent strength-to-weight ratio and superior toughness compared to standard carbon steel.
- Precision Heat Treatment: The entire tool undergoes a controlled heat treatment process, achieving a hardness of HRC 40-48 on the Rockwell scale. This ensures the ring end maintains its shape under high torque without deformation or cracking.
- Bent Handle Design (15°-25° Offset): The offset angle allows for knuckle clearance and easier access to recessed fasteners, making it ideal for applications where vertical space is limited.
- 12-Point Ring End: The ring opening features a 12-point configuration that provides multiple engagement angles (every 30°) and reduces the risk of rounding off bolt heads, especially on worn or rounded fasteners.
- Full Size Range (30-50mm): Available in individual metric sizes or as a complete set, covering common heavy-duty fasteners in trucks, agricultural equipment, and industrial machinery.
- Corrosion-Resistant Finish: Each wrench is finished with a black phosphate coating or optional mirror polish, offering protection against rust and improving grip even in oily environments.
- Ergonomic Handle: The handle is designed with a balanced weight distribution to reduce user fatigue during prolonged use, while the bent section provides added leverage without slipping.
Technical Parameter Table (Sample Sizes)
| Size (mm) | Overall Length (approx. mm) | Head Thickness (mm) | Breaking Torque (NM, min) |
|---|---|---|---|
| 30 | 420 | 18 | 1200 |
| 36 | 470 | 20 | 1500 |
| 41 | 510 | 22 | 1800 |
| 46 | 560 | 25 | 2200 |
| 50 | 600 | 28 | 2600 |
Note: Breaking torque values are tested under laboratory conditions. Actual performance may vary based on usage. Detailed test reports are available upon request.
Why Choose Our Heavy Duty Bent Handle Ring Wrench?
- Superior Material & Process: CR-MO steel combined with advanced heat treatment ensures the tool withstands repeated heavy load cycles without losing hardness or cracking.
- Enhanced Safety: The 12-point ring end provides a tighter grip on fasteners, reducing the risk of slipping and potential hand injuries. The bent handle also keeps the user's knuckles away from obstacles.
- Longer Tool Life: Proper heat treatment and corrosion-resistant finish minimize wear and rust, extending the service life significantly compared to budget tools.
- Versatile Applications: Ideal for automotive repair (trucks, buses), agricultural machinery (tractors, harvesters), oil and gas industry, construction equipment, and heavy industrial maintenance.
- Customization Options: We offer various surface finishes (phosphate, chrome, plain), packaging (single piece or sets with pouch/case), and even logo engraving for OEM/ODM orders. Minimum order quantity is flexible based on size and quantity.
- Quality Control: Every batch undergoes random hardness testing, torque verification, and visual inspection before shipment. We adhere to international standards such as ASME B107.100 and DIN 837 (applicable).
Trust & Reliability – Backed by 20+ Years of Manufacturing Excellence
Cangzhou Dean Safety&Special Tools Co., Ltd has been a dedicated hand tool manufacturer since 2001, exporting to over 30 countries worldwide with an annual export value exceeding US$100 million. Our products are trusted by professional mechanics, industrial maintenance teams, and equipment dealers globally. We ship from major Chinese ports including Tianjin, Shanghai, and Ningbo, ensuring timely delivery. With a strong reputation for consistent quality and competitive pricing, we invite you to partner with us. For custom requirements or bulk orders, contact our sales team today. Experience the difference of a tool built to last – choose Dean for your heavy-duty fastening needs.
Frequently Asked Questions (FAQ)
-
Q: What is the difference between a bent handle and a straight handle ring wrench?
A: The bent handle (offset) design provides knuckle clearance and better access to recessed or confined fasteners, making it safer and more ergonomic for heavy-duty applications where vertical space is limited. -
Q: Is the wrench fully heat treated or just the head?
A: The entire wrench body undergoes heat treatment, ensuring consistent hardness and strength throughout, not just the ring end. -
Q: Can I get this wrench in inch sizes or metric only?
A: Our standard range is metric (30-50mm). Inch sizes are available for custom orders. Please inquire with our sales team for your specific needs. -
Q: What is the expected lifespan under daily professional use?
A: With proper use and care, our CR-MO bent handle ring wrench can last many years, even under heavy daily use. The exact lifespan depends on factors like torque applied and maintenance, but the material and heat treatment significantly extend durability compared to standard tools. -
Q: Do you offer a warranty or after-sales support?
A: Yes, we provide a limited warranty against manufacturing defects. Our team is available to handle any quality issues promptly. Please refer to our terms and conditions for details. -
Q: What is the minimum order quantity (MOQ) for custom sizes or branding?
A: MOQ is flexible and varies by size and finish. Typically, for custom sizes or logo engraving, we require a minimum of 100-500 pieces per size. Contact us for exact details. -
Q: How is the wrench packaged for export?
A: We offer standard individual polybag packaging, blister packaging, or custom kits in a plastic/canvas roll. For bulk orders, tools are packed in sturdy cartons suitable for sea freight. -
Q: What certifications do your tools have?
A: Our manufacturing process follows industry standards such as ASME and DIN. Specific certifications can be arranged based on buyer requirements, but we do not claim unverified certifications. Please request a compliance certificate for your target market.
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