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Cangzhou Dean Safety & Special Tools Co., Ltd, established in 2001, is a professional manufacturer specializing in safety and special tools with an annual export value exceeding US$100 million. Our Bent Striking Open End Wrench, crafted from premium 45# steel, combines durability with precision engineering to deliver exceptional performance in the most demanding industrial environments. This offset striking wrench is designed to provide maximum torque while withstanding repeated heavy impacts, making it an indispensable tool for maintenance and assembly tasks in tight spaces.
The wrench features a unique bent/offset design that allows users to access hard-to-reach nuts and bolts without compromising leverage. Its open end is specifically shaped to accept striking blows from a hammer or sledge, enabling high-torque applications such as breaking loose rusted fasteners or final tightening on large equipment. The 45# steel construction ensures excellent toughness and wear resistance, while the precise heat treatment process guarantees consistent hardness across every tool.
Key Features and Benefits:
- Premium 45# Steel Material: Offers superior strength and impact resistance compared to ordinary carbon steel. The material is carefully selected and tested to meet high-standard industrial requirements.
- Offset/Bent Design: The angled head provides clearance over obstacles and allows for a better grip in confined work areas. This design also reduces the risk of hand injuries during striking operations.
- Heat Treated & Quenched: Each wrench undergoes a strict heat treatment process to achieve optimal hardness (HRC 38-45) without becoming brittle. This extends tool life and maintains performance under repeated shock loads.
- Anti-Slip Open End: The jaw opening is precision-machined with a slight taper to prevent slipping during use. Even under heavy impact, the wrench stays securely on the fastener.
- Customizable Options: Available in a wide range of sizes (standard metric and inch measurements). Surface finishing options include black oxide, phosphating, or plain oiled finish. We also accept OEM/ODM orders for branding and special dimensions.
- Versatile Application: Ideal for petrochemical plants, shipyards, mining operations, steel mills, and heavy machinery maintenance. Suitable for both tightening and loosening tasks where impact tools are required.
Technical Specifications (Sample Sizes):
| Size (mm) | Opening (mm) | Overall Length (mm) | Weight (kg) |
|---|---|---|---|
| 24 | 24 | 280 | 0.6 |
| 32 | 32 | 330 | 0.9 |
| 41 | 41 | 380 | 1.4 |
| 55 | 55 | 480 | 2.5 |
Why Choose Our Bent Striking Wrench?
Unlike standard open-end wrenches, our offset striking model allows the user to apply direct impact force without damaging the tool or workpiece. The 45# steel with controlled heat treatment offers an ideal balance of hardness and toughness, reducing the risk of chipping or cracking even after thousands of strikes. The bent head design also minimizes the need for additional adapters or cheaters, saving time and effort in the field.
Trust Cangzhou Dean Safety & Special Tools Co., Ltd
With over 20 years of manufacturing experience and an annual export value exceeding US$100 million, we serve clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are shipped from major ports including Tianjin, Shanghai, and Ningbo. We maintain strict quality control at every stage – from raw material sourcing to final inspection. Whether you need a single size or a complete set, we offer competitive pricing, flexible customization, and reliable lead times. Contact us today to discuss your requirements or request a quote!
Frequently Asked Questions
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Q: What is the material of the wrench?
A: It is made of 45# carbon structural steel, which provides high strength and good impact toughness after proper heat treatment. -
Q: Can I get custom sizes?
A: Yes, we offer customization for sizes not listed. Please provide your required opening dimension and we will produce accordingly. -
Q: Is the wrench surface treated for rust protection?
A: Standard finish is black oxide, which offers moderate corrosion resistance. Phosphating or plain oiled finish are also available upon request. -
Q: What is the typical hardness of the striking face?
A: The striking area is hardened to HRC 38-45 to withstand repeated blows while maintaining durability. The overall body retains some flexibility to avoid breakage. -
Q: Which industries commonly use this wrench?
A: It is widely used in petrochemical, shipbuilding, mining, steel manufacturing, and any heavy equipment maintenance involving large fasteners. -
Q: How do I select the correct size?
A: Measure the nut or bolt head across the flats (AF). Choose a wrench with an opening slightly larger (0.2-0.5mm) for a snug fit. We recommend consulting our size chart for exact dimensions. -
Q: Do you provide OEM branding?
A: Yes, we can laser engrave or stamp your company logo and specifications on the tool. Minimum order quantity may apply. -
Q: What is the lead time for a standard order?
A: For standard sizes and finishes, lead time is typically 15-25 days after order confirmation. Custom orders may take longer depending on complexity.
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