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Help CenterOffset Striking Ring Wrench, 1-Year Warranty Against Breakage, Mill Test Report Available
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At Cangzhou Dean Safety & Special Tools Co., Ltd, we have been dedicated to manufacturing premium industrial tools since 2001. Our Offset Striking Ring Wrench is engineered for professionals who demand reliability and strength in the most demanding environments. This wrench combines an offset design that provides optimal clearance near flanges and obstacles, with a robust striking face that allows safe hammering to break loose or tighten stubborn nuts. Every wrench is backed by a 1-Year Warranty Against Breakage, and we can provide a Mill Test Report for full material traceability—ensuring you receive consistent, high-quality tools for critical bolting applications.
Key Features & Technical Specifications
- Premium Alloy Steel Construction - Manufactured from heat-treated chrome vanadium steel for exceptional strength and fatigue resistance. Each wrench undergoes strict quality control to meet international standards.
- Offset Striking Design - The forged offset angle (typically 15° or 30°) allows the wrench to reach nuts in tight spaces while keeping the striking surface accessible for sledgehammer use. This design minimizes hand clearance issues and reduces the risk of finger injuries.
- 1-Year Breakage Warranty - We stand behind the durability of our tools. If any wrench breaks under normal use within one year, we will replace it at no charge. This warranty reflects our confidence in the product's toughness.
- Mill Test Report Available - For customers requiring material certification, we can issue a Mill Test Report confirming the chemical and mechanical properties of the steel used. This is ideal for industries with strict material traceability requirements, such as oil & gas, petrochemical, and power generation.
- Safety-Engineered Striking Face - The flat striking face is precisely machined to ensure safe, consistent hammer strikes. The face is slightly recessed to prevent mushrooming and extends the tool's lifespan.
- Versatile Size Range - Available in both inch and metric sizes, from 1 inch up to 4 inches (or corresponding metric dimensions). Custom sizes can be produced upon request for special applications.
- Corrosion-Resistant Finish - A black oxide coating provides moderate corrosion resistance and reduces glare in bright work environments. Optional phosphate or zinc plating is available for enhanced protection.
Detailed Specifications Table
| Parameter | Value/Description |
| Material | Chrome Vanadium Steel (Equivalent to 40Cr or 4140) |
| Hardness | 38-42 HRC (Tempered for toughness) |
| Offset Angle | 15° (Standard), 30° (Optional) |
| Finish | Black Oxide, Customizable (Phosphate, Zinc, etc.) |
| Warranty | 1 Year Against Breakage |
| Mill Test Report | Available per request |
| Packing | Individual box, or bulk packaging as per customer requirement |
Benefits to Your Operations
- Increased Safety - The offset design keeps your hands away from the striking zone, reducing the risk of impact injuries. The angled head also allows you to maintain a natural striking posture.
- Time Savings - Quickly remove or tighten large nuts without needing to reposition the wrench frequently. The offset provides better access in congested piping and machinery.
- Cost Efficiency - The 1-year breakage warranty and durable steel mean fewer replacement costs. The ability to request mill test reports also helps with compliance and quality assurance.
- Customization Flexibility - We can produce non-standard sizes, alternate offset angles, or special finishes to match your specific tool requirements. Just contact our sales team with your dimensions.
Trusted by Global Industries
With over 20 years of manufacturing experience and an annual export value exceeding US$100 Million, Cangzhou Dean Safety & Special Tools has become a reliable partner for clients in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and beyond. Our products are shipped from major ports including Tianjin, Shanghai, and Ningbo, ensuring timely delivery worldwide.
We understand that tool failure in the field can cause costly downtime. That's why every Offset Striking Ring Wrench is manufactured under strict quality protocols, and we back it with a 1-Year Warranty Against Breakage. When you choose our wrenches, you are choosing a product that has been tested for reliability and is supported by a manufacturer that values long-term partnerships over short-term gains.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a striking wrench and a standard wrench?
A: A striking wrench is designed with a heavy-duty striking face (flat area) that can be hit with a hammer to generate extra torque for loosening or tightening large nuts. Standard wrenches are not intended for hammering and may break or deform.
Q2: What does the 1-Year Warranty Against Breakage cover?
A: The warranty covers breakage under normal use conditions as defined in our product manual. It does not cover damage from misuse, abuse, or intentional overloading. If a wrench breaks within one year from the date of purchase, we will replace it free of charge.
Q3: Can I get a Mill Test Report for the steel used?
A: Yes. We can provide a Mill Test Report (also known as Material Test Certificate) that shows the chemical composition and mechanical properties of the steel batch. Please request this at the time of order so we can include it with your shipment.
Q4: Are custom sizes and offset angles available?
A: Absolutely. We accept custom orders for non-standard sizes, different offset angles (e.g., 20°, 45°), or special finishes. Minimum order quantities may apply. Please contact our sales team with your requirements.
Q5: How should I store and maintain the wrench?
A: After use, clean the wrench with a dry cloth and apply a light coat of oil to prevent rust. Store in a dry location. Do not use the wrench if the striking face shows signs of deformation or cracking.
Q6: Is the wrench suitable for use with impact tools?
A: This wrench is designed for manual striking with a hammer. Using it with powered impact tools may void the warranty and could lead to breakage. For impact applications, we recommend our impact socket range.
Q7: What is the typical delivery time for standard sizes?
A: For standard sizes in stock, delivery is typically 7-15 days. For custom orders or large quantities, please allow 20-30 days depending on production load. We work closely with our logistics partners to ensure timely shipping from Tianjin, Shanghai, or Ningbo.
Q8: Do you offer any other related tools?
A: Yes, we manufacture a wide variety of special tools including striking box wrenches, flogging spanners, impact sockets, and other heavy-duty hand tools. Please browse our catalog or contact us for more information.
Ready to order? Contact Cangzhou Dean Safety & Special Tools Co., Ltd today for a quote. Our team is ready to discuss your requirements and provide the right tool solution for your projects.
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