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Help CenterChrome Vanadium Convex Striking Hex Wrench, 600-1200 Nm Torque, Phosphated Finish
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Cangzhou Dean Safety & Special Tools Co., Ltd. (established 2001) proudly introduces our premium Chrome Vanadium Convex Striking Hex Wrench – a professional-grade tool designed for heavy-duty torque applications. With an annual export value exceeding USD 100 million and serving global markets including North America, Europe, and Southeast Asia, we deliver high-performance striking wrenches engineered for durability and precision. Manufactured from select chrome vanadium steel, heat-treated to withstand extreme forces, this convex hex wrench offers a robust torque capacity of 600–1200 Nm. The phosphate finish provides superior corrosion resistance and a non-slip grip, making it ideal for demanding industrial environments.
Our striking hex wrench is crafted from chrome vanadium steel (Cr-V), a material known for its excellent tensile strength and fatigue resistance. The convex head design distributes impact force evenly, reducing the risk of bolt rounding and tool deformation. Each wrench undergoes rigorous quality control to ensure consistent hardness and dimensional accuracy. The phosphated surface treatment not only protects against rust but also improves lubricity, allowing smoother operation even in greasy conditions. Available in multiple sizes, this tool meets the needs of assembly lines, maintenance shops, and construction sites where reliable, high-torque fastening is critical.
| Parameter | Specification |
|---|---|
| Material | Chrome Vanadium Steel (50CrV / S2 equivalent) |
| Torque Rating | 600 – 1200 Nm |
| Surface Finish | Phosphated (dark grey/black) |
| Head Type | Convex striking hex |
| Hardness (Rockwell) | HRC 40–50 (typical) |
| Available Sizes | Customizable upon request |
- Enhanced Durability: Chrome vanadium steel withstands repeated high‑impact loads without chipping or cracking.
- Precision Fit: Convex hex design ensures full contact with fastener heads, reducing slippage and rounding.
- Corrosion Resistance: Phosphated coating provides long‑lasting protection in humid or chemical‑exposed environments.
- Ergonomic Handling: The smooth phosphated surface offers a comfortable grip even with oily hands.
- Versatility: Suitable for use with striking tools (hammers) or hydraulic torque wrenches for controlled tightening.
- Custom Options: We offer size markings, special lengths, and custom packaging per OEM requirements.
With over two decades of experience and a strong export record exceeding USD 100 million annually, Cangzhou Dean Safety & Special Tools guarantees consistent quality and reliable supply. Our factory in Hebei, China, is equipped with advanced forging and heat‑treatment lines, enabling us to produce striking wrenches that meet stringent industrial standards. We serve clients across 15+ regions, including North America, Europe, Africa, and Oceania. Every batch is tested for torque capacity, hardness, and dimensional compliance. Choose Dean Safety for tools that deliver peace of mind and long service life. Contact us today for a quotation or custom specifications.
Frequently Asked Questions
Q1: What materials are used in this striking wrench?
A1: It is made of high‑grade chrome vanadium steel (Cr‑V), heat‑treated to achieve optimal toughness and hardness.
Q2: What does “600-1200 Nm torque” mean?
A2: This indicates the wrench can safely withstand applied torque loads from 600 Nm up to 1200 Nm without permanent deformation, suitable for heavy‑duty bolting applications.
Q3: Can I use this tool with an impact driver?
A3: It is designed for striking with a hammer; using a power impact tool may damage the hex. For controlled tightening, a torque multiplier is recommended.
Q4: Is the phosphated finish safe for use in food processing?
A4: Phosphating is a chemical conversion coating; while it offers corrosion protection, it is not recommended for direct contact with food unless specified. We can advise on alternative coatings if needed.
Q5: Do you offer custom sizes or markings?
A5: Yes, we can customize the hex opening size, overall length, and engrave logos or part numbers. MOQ may apply.
Q6: How do I maintain the phosphate coating?
A6: Wipe clean after use, apply light oil to prevent rust in storage. Avoid abrasive cleaners.
Q7: What is the typical delivery time?
A7: For standard sizes, 15–25 days after order confirmation; custom orders may require 30–40 days.
Q8: Do you provide samples?
A8: Yes, sample orders are welcome. Please contact our sales team for details.
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