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Help CenterCR-V Forged Double-ended Open-end Wrench 6-32mm DIN3110 Chrome-plated Professional Mechanic Tool
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As a leading manufacturer based in Cangzhou, Hebei, China, Cangzhou Dean Safety & Special Tools Co., Ltd has been dedicated to producing high-quality hand tools since 2001. With an annual export value exceeding US$100 million, we supply reliable, precision-engineered solutions to mechanics and professionals worldwide. Our CR-V forged double-ended open-end wrench 6-32mm DIN3110 chrome-plated professional mechanic tool represents the perfect combination of durability, accuracy, and value — designed to meet the rigorous demands of daily workshop use and industrial maintenance.
This wrench is forged from premium chrome-vanadium (CR-V) steel, ensuring exceptional strength and resistance to deformation under heavy torque. The double-ended open-end design allows quick fastening and loosening of nuts and bolts from two different sizes on one tool, saving time and effort. Each wrench is precisely machined to meet DIN3110 international standards, guaranteeing exact fit and reliable performance across the full 6-32mm range.
Key Features & Benefits
CR-V Forged Construction: Made from one-piece forged chrome-vanadium steel, these wrenches offer superior toughness and long service life even under repeated high-torque applications.
Chrome-Plated Finish: A bright, corrosion-resistant chrome plating provides a professional appearance and protects the tool from rust, oil, and solvents common in workshop environments.
DIN3110 Compliance: Manufactured to German standard DIN3110, ensuring precise jaw openings, consistent hardness, and reliable dimensional accuracy.
Wide Size Range 6-32mm: Covers the most commonly used metric sizes, suitable for automotive repair, machinery assembly, plumbing, and general maintenance tasks.
Heat-Treated for Hardness: Each wrench undergoes controlled heat treatment to achieve an optimal hardness level (typically HRC 45-50), balancing strength with toughness to prevent breakage or deformation.
Ergonomic Handle (optional): The smooth, polished shaft allows comfortable grip and easy rotation, reducing hand fatigue during prolonged use. Anti-slip features can be customized upon request.
Professional Mechanic Grade: Designed for daily professional use, these wrenches withstand repeated impacts and heavy loads without losing their shape or finish.
| Wrench Size (mm) | Length (approx.) | Weight (approx.) |
|---|---|---|
| 6 | 100 mm | 20 g |
| 10 | 130 mm | 45 g |
| 17 | 200 mm | 120 g |
| 24 | 270 mm | 230 g |
| 32 | 350 mm | 420 g |
The dimensions above are approximate and may vary slightly by production batch. Each wrench is individually inspected to ensure it meets DIN3110 tolerance requirements. For customers needing specific length or weight customization, our R&D team can tailor the design to your application — simply contact us with your requirements.
Why Choose Our CR-V Forged Wrenches?
Superior Material: CR-V alloy steel offers higher tensile strength than ordinary carbon steel, making the wrench less likely to crack or bend.
Precise Jaw Opening: CNC-machined jaws ensure tight clearance for minimal slipping and reduced fastener rounding.
Anti-Rust Protection: The multi-layer chrome plating resists corrosion even in humid or chemical-exposed environments.
Consistent Heat Treatment: Our automated heat treatment process ensures uniform hardness throughout every piece, guaranteeing reliable performance across the entire set.
Cost-Effective Professional Tool: Offering the same durability as top-tier brands at competitive pricing, these wrenches are ideal for workshops, auto repair shops, and industrial maintenance teams.
Trusted by professionals in North America, Europe, Southeast Asia, Africa, and beyond, Cangzhou Dean Safety & Special Tools Co., Ltd has built a reputation for consistent quality and timely delivery. With over two decades of manufacturing experience and an annual export value exceeding US$100 million, we have the capacity to fulfill large-volume orders while maintaining strict quality control. Our products are shipped from major ports in Tianjin, Shanghai, and Ningbo, ensuring efficient logistics worldwide.
Whether you need a single-size wrench or a complete 6-32mm set, our flexible packaging options — from individual polybags to custom blow-molded cases — accommodate your retail or bulk distribution needs. Contact us today to request a quote, discuss customization, or receive a free sample for evaluation. Experience the quality and reliability that has made Cangzhou Dean a trusted partner in the global tool industry.
Frequently Asked Questions (FAQ)
Q: Is this wrench available as a full set from 6mm to 32mm?
A: Yes, we offer both individual wrenches and complete sets covering the entire 6-32mm range. Sets can be packaged in a roll-up pouch or blow-molded case. Please specify your preference when ordering.Q: What does DIN3110 standard mean?
A: DIN3110 is a German standard that specifies the dimensions, tolerances, and hardness requirements for open-end wrenches. Our wrenches are manufactured to meet these precise specifications, ensuring compatibility and reliability.Q: Are these wrenches rust-proof?
A: The chrome-plated finish provides excellent corrosion resistance. However, like all metal tools, they should be kept dry after use to prolong the plating life. The underlying CR-V steel is also inherently more resistant to rust than plain carbon steel.Q: Can I get customized sizes or laser engraving for my brand?
A: Yes, we support OEM/ODM customization including your logo, specific size markings, and custom packaging. MOQ may apply. Please discuss your requirements with our sales team.Q: What is the hardness of these wrenches?
A: The wrenches are heat-treated to a typical hardness of HRC 45-50, providing an optimal balance between strength and toughness. Hardness can be adjusted upon request for specific applications.Q: How long does shipping take to North America/Europe?
A: Standard sea freight from Tianjin port to major ports in North America typically takes 25-35 days, and to Europe 30-40 days. Express air shipping is available for smaller orders. Lead times depend on order quantity and current production schedule.Q: Do you provide samples before bulk order?
A: Absolutely. We offer paid samples (refundable with bulk order) to evaluate quality. Customers are responsible for shipping costs. Contact us to arrange a sample of your desired size.Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 500 pieces per size for standard products. For customized wrenches, MOQ may be higher. However, we can sometimes accommodate smaller test orders. Please inquire with our sales department.
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