45# Steel Bent Construction Open End Wrench,22mm Opening Size,Heavy Duty Offset Open End Wrench
Product Spotlights
At Cangzhou Dean Safety&Special Tools Co., Ltd, we have been manufacturing premium hand tools since 2001, exporting over US$100 million annually worldwide. Our 45# Steel Bent Construction Open End Wrench is engineered for professionals who demand durability, precision, and reliability in heavy-duty applications. This 22mm opening size offset wrench is built to handle high torque in cramped spaces, making it an essential tool for mechanics, industrial workers, and maintenance crews. Made from 45# carbon steel with a bent construction, it offers superior grip and leverage for stubborn fasteners.
Key Features & Technical Specifications
- Premium Material: Forged from high-quality 45# carbon steel, heat-treated for increased hardness and wear resistance. Provides long service life under repeated heavy use.
- Bent Offset Design: The 25°–45° offset angle (customizable) allows easy access to recessed or hard-to-reach nuts and bolts. Ideal for automotive engine bays, hydraulic systems, and machinery.
- 22mm Opening Size: Precisely machined jaw opening ensures a snug fit on metric fasteners, reducing slippage and rounding of bolt heads.
- Heavy Duty Construction: Thicker jaw profile and reinforced shank provide extra strength for high-torque applications. Suitable for both professional workshops and industrial maintenance.
- Surface Finish: Available with black oxide coating for corrosion resistance, or other finishes per request (e.g., chrome plated, phosphate).
- Comfort Grip Handle (optional): Ergonomic handle design reduces hand fatigue during prolonged use. Textured surface improves grip even with oily hands.
| Parameter | Specification |
|---|---|
| Material | 45# Carbon Steel (AISI 1045 equivalent) |
| Opening Size | 22mm (standard metric) |
| Overall Length | Approx. 280mm (may vary by design) |
| Offset Angle | 25° – 45° (customizable) |
| Hardness | HRC 40–48 after heat treatment |
| Finish | Black oxide (standard); chrome, phosphate, or custom available |
| Packaging | Single piece in polybag, or set in blow case, per buyer request |
Advantages Over Standard Wrenches
Compared to straight open-end wrenches, the bent offset construction provides better clearance over obstructions, allowing you to apply force in a more natural angle. This reduces wrist strain and improves torque efficiency. The 45# steel offers an excellent balance of toughness and machinability, ensuring the wrench withstands repeated heavy loading without deformation. Each unit undergoes strict quality control – from forging to final inspection – to maintain dimensional accuracy and surface finish.
Whether you are a professional mechanic working on heavy trucks or an industrial maintenance technician servicing pumps and compressors, this wrench delivers consistent performance. The 22mm size is a common specification for suspension components, hydraulic fittings, and large fasteners in machinery.
Trust & Reliability from a Global Supplier
Cangzhou Dean Safety&Special Tools Co., Ltd has been a trusted manufacturer in the hardware industry for over two decades. With an annual export value exceeding US$100 million, our products reach markets across North America, South America, Europe, Africa, Oceania, the Middle East, and Asia. We ship from major ports including Tianjin, Shanghai, and Ningbo, ensuring timely delivery worldwide.
Our factory is equipped with advanced forging presses, heat treatment lines, and precision CNC machining centers, enabling us to maintain consistent quality and competitive pricing. We are committed to OEM/ODM collaboration – your custom specifications (logo, packaging, design modifications) are welcome.
Choose our 45# Steel Bent Construction Open End Wrench for your next maintenance project. Contact us today for a quote, sample request, or technical consultation. Experience the difference of professional-grade tools backed by decades of manufacturing expertise.
Frequently Asked Questions
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Q: Is this wrench suitable for use with impact tools?
A: No, this is a manual hand wrench. It is not designed for use with impact wrenches or power tools. For impact applications, we recommend using impact sockets and appropriate adapters.
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Q: Can I customize the offset angle or length?
A: Yes, we offer customization options. The standard offset angle is 25–45°, but we can adjust according to your requirements. Overall length can also be modified. Please contact our sales team with your specific needs.
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Q: What is the hardness of the wrench?
A: After heat treatment, the hardness typically ranges from HRC 40 to 48, providing good wear resistance while maintaining toughness to avoid breakage under heavy loads.
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Q: Does the wrench come with a warranty?
A: Yes, we provide a standard warranty against manufacturing defects. The specific warranty period can be discussed during order confirmation. For custom orders, warranty terms are agreed upon in advance.
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Q: What is the minimum order quantity (MOQ)?
A: For standard items, MOQ is typically 500 pieces. For custom designs with new tooling, MOQ may be higher. We also accept trial orders for small quantities to test quality – please inquire.
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Q: Can you provide samples before bulk order?
A: Absolutely. We offer sample service. The cost of samples and shipping is usually borne by the buyer, but we can discuss if this can be deducted from the full order. Contact us for details.
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Q: Which payment methods do you accept?
A: We commonly accept T/T (wire transfer), L/C at sight, and for small amounts, PayPal or Western Union. For large contracts, terms are negotiable.
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Q: How do you ensure the wrench fits metric fasteners accurately?
A: Our machining process uses precision dies and final inspection with go/no-go gauges to ensure the 22mm opening tolerance is within ±0.1mm. This guarantees a snug fit on standard metric nuts and bolts.
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