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Help Center45# Steel Offset Construction Box Wrench,Black Oxide Finish, 310 mm Long,32mm Opening
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Product Overview
Our 45# Steel Offset Construction Box Wrench with Black Oxide Finish, 310 mm Long and 32mm Opening, is engineered for demanding industrial and construction environments. Manufactured by Cangzhou Dean Safety & Special Tools Co., Ltd., a trusted manufacturer since 2001, this wrench delivers exceptional torque and durability. The offset design provides superior access to recessed fasteners, while the black oxide coating offers enhanced corrosion resistance and a sleek, professional appearance. Whether you are tightening bolts on heavy machinery or assembling structural frameworks, this tool ensures reliable performance and long service life.
Key Features & Benefits
- Premium 45# Steel Construction: Made from high-quality carbon steel, offering excellent strength and wear resistance. The material is heat-treated for optimal hardness, ensuring the wrench can withstand high-torque applications without deformation.
- Black Oxide Finish: Provides a protective layer that resists rust and corrosion, even in humid or oily conditions. The matte black surface reduces glare and improves grip, making it ideal for outdoor construction sites.
- Offset Design (15° angle): The angled head allows easy access to fasteners in tight or recessed areas, reducing the need for additional extensions. This design also minimizes hand strain during repetitive use.
- 32mm Opening Size: Specifically sized for common large hex bolts and nuts used in construction, heavy equipment, and maintenance tasks. The box-end design provides a secure 12-point grip, reducing the risk of slippage.
- 310 mm Overall Length: Offers a balanced leverage-to-weight ratio. The longer handle provides increased torque without excessive bulk, making it suitable for both loosening stubborn fasteners and final tightening.
- Comfortable Grip Handle: The handle is ergonomically contoured (optional rubber sleeve available) to reduce fatigue during prolonged use. The non-slip pattern ensures a secure hold even with greasy hands.
- Versatile Applications: Ideal for construction, automotive repair, shipbuilding, oil and gas, and general maintenance. Works well with both standard and metric fasteners (32mm = 1-1/4 inch approx.).
- Customizable Options: Available in different lengths, opening sizes, and finishes (e.g., chrome plated, phosphate) upon request. Bulk packaging or individual pouch packaging can be arranged.
Technical Specifications
| Material | 45# Carbon Steel (C45 equivalent) |
| Finish | Black Oxide (QPQ or regular available) |
| Overall Length | 310 mm ± 2 mm |
| Head Size | 32 mm (12-point broaching) |
| Offset Angle | 15° (± 1°) |
| Hardness | HRC 38-45 (after heat treatment) |
| Weight | Approx. 0.8 kg (1.76 lbs) |
| Packing | Individual card, polybag, or bulk (customizable) |
Detailed Product Advantages
The 45# Steel Offset Construction Box Wrench is designed to meet the rigorous demands of professional tradesmen. The 310 mm length provides optimal leverage for applying high torque without excessive force, reducing the risk of fastener damage. The 32mm opening is precision-machined to ensure a tight fit on standard hex nuts, minimizing rounding.
The black oxide finish not only enhances aesthetics but also improves the tool's lifespan by protecting against rust and chemical exposure. Unlike chrome-plated tools, black oxide has a non-reflective surface that reduces eye strain in bright sunlight. Additionally, the offset head allows the user to clear obstructions such as flanges or brackets, making it indispensable for confined spaces.
Each wrench undergoes strict quality control checks, including dimensional accuracy, hardness testing, and torque verification. Our manufacturing process adheres to international standards, ensuring consistent performance from batch to batch.
Trust & Reliability
Cangzhou Dean Safety & Special Tools Co., Ltd. has been a leading manufacturer of professional tools since 2001. With an annual export value exceeding US$100 million, we serve clients across North America, South America, Europe, Asia, Africa, and Oceania. Our products are shipped from main ports including Tianjin, Shanghai, and Ningbo, ensuring timely delivery worldwide. We maintain strict quality control procedures and offer customization services to meet specific requirements. Our dedicated team ensures that every wrench meets the highest standards of craftsmanship and durability. Choose our 45# Steel Offset Box Wrench for a tool that combines strength, precision, and value – 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 hand tool designed for manual use. Using it with power tools may cause damage or injury. -
Q: Can I get the wrench in different lengths or opening sizes?
A: Yes, we offer customizable lengths and opening sizes. Please contact us with your requirements. -
Q: What is the difference between black oxide and chrome finish?
A: Black oxide provides better corrosion resistance in humid environments and has a non-glare surface. Chrome is more scratch-resistant but can reflect light. Both are available upon request. -
Q: Does the wrench come with a warranty?
A: We provide a standard warranty against manufacturing defects. Please inquire for specific terms. -
Q: Is the 32mm opening suitable for SAE fasteners?
A: 32mm is approximately 1-1/4 inches, making it compatible with common SAE sizes. However, we recommend verifying the fastener size before use. -
Q: How should I maintain the black oxide finish?
A: After use, wipe the tool clean with a dry cloth and apply a light oil coating to prevent rust. Avoid abrasive cleaners. -
Q: What is the minimum order quantity?
A: MOQ is typically 100 pieces for standard items, but smaller quantities may be available for sample orders. -
Q: Can I get custom branding on the tool?
A: Yes, we offer laser engraving or stamping with your logo. Contact us for details.
Send Inquiry to This Supplier
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