45# Steel Bent Striking Box Wrench, Size 17*150 mm for Heavy Duty Impact Applications
Product Spotlights
Industry-leading 45# Steel Bent Striking Box Wrench – Size 17×150 mm for Heavy Duty Impact Applications
As a trusted manufacturer since 2001, Cangzhou Dean Safety & Special Tools Co., Ltd. proudly presents this premium 45# steel bent striking box wrench, engineered to withstand the most demanding impact environments. With an annual export value exceeding US$100 million and a global presence across North America, South America, Europe, Asia, and more, we combine decades of forging expertise with rigorous quality control. This 17×150 mm striking wrench is designed for mechanics and industrial professionals who require reliable, repeatable torque delivery in high-stress applications such as automotive repair, heavy equipment maintenance, and assembly lines.
The unique bent design (typically 15° or 25° offset) allows optimal access to recessed fasteners while the striking face enables safe hammering for loosening stubborn bolts. Manufactured from high-grade 45# carbon steel, the wrench undergoes heat treatment and surface black oxide coating to resist corrosion and wear. Each piece is inspected for dimensional accuracy and hardness to ensure consistent performance.
Key Features & Technical Specifications
- Material: 45# carbon steel – superior strength and toughness for repeated impact loads.
- Size: 17 mm across flats, suitable for M10-M12 hex bolts (common in automotive and machinery).
- Overall Length: 150 mm – compact yet provides adequate leverage for moderate torque.
- Bent Angle: 15° offset (standard) – allows clearance over obstacles; other angles available upon request.
- Striking Face: Flat, hardened surface designed for safe hammer blows without deformation.
- Surface Finish: Black oxide (optional phosphate or bright finish available).
- Hardness: 38-45 HRC – balances durability with ductility to prevent chipping.
- Standards: Manufactured in accordance with general industrial tool standards (DIN/ISO equivalents).
Detailed Specifications Table
| Parameter | Value |
| Material Grade | 45# Steel (AISI 1045 equivalent) |
| Hex Size | 17 mm |
| Overall Length | 150 mm |
| Offset Angle | 15° (standard) |
| Surface Hardness | 38-45 HRC |
| Finish | Black Oxide |
| Weight (approx.) | 0.18 kg |
| Packing | Single piece in polybag, or bulk per customer request |
Advantages for Heavy Duty Impact Applications
- Enhanced Safety: The striking face is designed to absorb impact without cracking, reducing the risk of tool failure and injury.
- Longer Service Life: 45# steel with proper heat treatment offers excellent fatigue resistance, outperforming ordinary carbon steel wrenches.
- Better Access: The bent profile allows the wrench to reach fasteners in confined spaces, such as engine compartments or machinery frames.
- Cost-Effective: As a direct manufacturer, we offer competitive pricing without compromising quality – ideal for workshops buying in bulk.
- Customizable Options: Need a different size, length, or offset angle? We can produce according to your specifications (MOQ applies).
Trust & Reliability from Cangzhou Dean Safety & Special Tools
With over 20 years of manufacturing experience, Cangzhou Dean Safety & Special Tools Co., Ltd. has built a reputation for delivering high-quality hand tools to global markets. Our annual export value exceeds US$100 million, and we serve clients in more than 30 countries across all continents. Every striking wrench is produced in our Hebei facility using precision forging and controlled heat treatment processes. We maintain strict quality checks on dimensions, hardness, and surface finish before packing. Our team is ready to support OEM/ODM orders and provide technical advice. Choose Dean for tools that perform under pressure – contact us today for a quote or sample request.
Frequently Asked Questions (FAQ)
1. What is the difference between a striking box wrench and a regular box wrench?
A striking box wrench has a flat, hardened striking face on the opposite end of the box, allowing it to be struck with a hammer for additional torque. This design is ideal for loosening seized or overtightened fasteners that cannot be moved by hand.
2. Is this wrench suitable for use with an impact wrench?
No, this is a manual striking wrench meant to be used with a hammer. It is not designed for power tools. For impact wrench use, we recommend impact sockets with appropriate drive sizes.
3. Can I use this wrench for metric and imperial fasteners?
This model is specifically 17 mm, which is a metric size. It fits M10 and M12 hex bolts (common metric sizes). For imperial sizes, please contact us for custom production.
4. What is the maximum torque I can apply with a hammer?
There is no fixed maximum, but we recommend using a hammer weighing no more than 2 kg (4.4 lbs) to prevent damage to the tool or fastener. The wrench is designed to withstand repeated impacts within normal industrial use.
5. Does the black oxide finish affect the wrench's performance?
No, black oxide provides corrosion resistance and a non-glare surface without altering dimensions or hardness. It also helps reduce friction when sliding over fasteners. Other finishes (e.g., phosphate, chrome) are available upon request.
6. How do I clean and maintain this striking wrench?
Wipe clean after use with a dry cloth. Apply a light oil to prevent rust, especially if used in humid environments. Do not use abrasive cleaners that could damage the finish.
7. What is the minimum order quantity (MOQ) for this product?
Our standard MOQ is 100 pieces for stock sizes. Custom sizes or finishes may have higher MOQ. Please contact our sales team for specific requirements.
8. Do you offer samples before bulk order?
Yes, we can provide samples for evaluation. Sample cost and shipping are negotiable, and the cost may be deducted from a future bulk order.
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