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Help Center45# Steel Bent Single Open End Wrench, Heavy Duty Bent Single Open End Wrench,Angled Open Spanner
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Cangzhou Dean Safety&Special Tools Co., Ltd, a trusted manufacturer established in 2001 with an annual export value exceeding US$100 million, proudly presents our 45# Steel Bent Single Open End Wrench. Designed for heavy-duty industrial applications, this angled open spanner combines premium material quality with ergonomic bent-head geometry, enabling efficient operation in confined spaces. Whether you need a reliable tool for automotive repair, machinery assembly, or routine maintenance, our wrench delivers exceptional torque transmission and long service life.
Superior Material & Manufacturing
Crafted from 45# high-carbon steel, our wrench undergoes precise forging and heat treatment to achieve optimum hardness and toughness. The bent single-open-end design reduces wrist strain and allows access to fasteners located in recessed areas. Each piece is inspected for dimensional accuracy and surface finish, ensuring consistent performance. Below are key specifications:
| Specification | Detail |
| Material Grade | 45# Steel (equivalent to AISI 1045) |
| Head Type | Bent Single Open End (angled ~15°) |
| Surface Treatment | Black oxide (standard); phosphate, zinc plating optional |
| Hardness (HRC) | 38–45 HRC (after heat treatment) |
| Size Range | 6 mm – 50 mm (or 1/4″ – 2″) |
Key Features & Benefits
- Enhanced Access: The bent head allows the wrench to reach fasteners in tight spots, such as engine blocks, hydraulic systems, and piping.
- High Torque Capacity: 45# steel combined with optimized jaw geometry provides excellent grip and reduces rounding of fastener corners.
- Durability: Heat-treated body resists deformation and wear, even under repeated heavy loads.
- Ergonomic Handle: Smooth, comfortable grip reduces hand fatigue during prolonged use.
- Cost-Effective: Longer service life means fewer replacements, lowering total cost of ownership.
Technical Advantages
Our angled spanner is manufactured with strict tolerance control. The open end features a slightly angled jaw (usually 15°) that allows the tool to be flipped over to double the turning angle in confined spaces. This design is particularly beneficial when working on bolts with limited swing arc. The 45# steel provides excellent balance between strength and machinability, ensuring the wrench maintains its shape even after thousands of cycles.
Applications
- Automotive repair and assembly lines
- Heavy machinery maintenance
- Construction equipment servicing
- Industrial manufacturing plants
- Agricultural machinery repair
Why Choose Cangzhou Dean?
With over two decades of experience, we have supplied tools to markets across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our annual export value above US$100 million reflects our commitment to quality and customer satisfaction. We ship from Tianjin, Shanghai, and Ningbo ports, ensuring fast and reliable logistics. Each bent wrench is backed by rigorous quality control, and we offer customized packaging, branding, and size options to meet your specific requirements.
Frequently Asked Questions
-
What is the advantage of a bent open-end wrench over a straight one?
The bent head allows you to access fasteners in recessed or tight spaces, and flipping the wrench gives you a different angle to work with, increasing versatility. -
Is the wrench made of 45# steel? Is it strong enough for heavy duty use?
Yes, 45# steel is a medium-carbon steel that, after proper heat treatment, reaches a hardness of 38–45 HRC, offering excellent strength and wear resistance for heavy-duty applications. -
What sizes do you offer?
We offer both metric (6 mm to 50 mm) and inch (1/4″ to 2″) sizes. Custom sizes are available upon request. -
Can I get the wrench with a specific surface finish?
Yes, we provide standard black oxide, phosphate, or zinc plating finishes. Custom finishes like chrome or paint can also be arranged. -
Do you accept small MOQ orders?
Our MOQ depends on the size and finish. Please contact us for details; we often accommodate trial orders. -
How do you ensure product quality?
Every wrench undergoes dimensional inspection, hardness testing, and surface finish checks. We follow ISO 9001 principles, though specific certification details can be confirmed upon inquiry. -
What is the typical lead time?
For standard sizes, lead time is around 25–35 days after order confirmation. Custom orders may take longer. -
Can I have my company logo printed on the wrench?
Absolutely. We offer custom laser engraving or stamping for branding purposes.
Order Today
Experience the reliability of Cangzhou Dean’s 45# Steel Bent Single Open End Wrench. With a proven track record in global markets, our heavy-duty angled spanner is the smart choice for professionals who demand durability and precision. Contact our sales team now for competitive pricing, fast shipping, and customized solutions.
Send Inquiry to This Supplier
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