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Help Center45# Steel Offset Construction Box Wrench With Pin 19 mm Opening, Full Polish, 240mm Length, Industrial Grade
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Professional 45# Steel Offset Construction Box Wrench with Pin – 19mm Opening, Full Polish, 240mm Length
As a leading manufacturer since 2001, Cangzhou Dean Safety & Special Tools Co., Ltd proudly presents this industrial-grade offset box wrench designed for demanding construction and maintenance tasks. Forged from high-quality 45# carbon steel and fully polished for corrosion resistance, this 19mm wrench features a unique pin mechanism that securely locks onto fasteners, preventing slippage and enhancing torque transfer. With its 240mm length and offset head, it provides excellent leverage in tight spaces, making it a reliable choice for professionals worldwide. Backed by annual exports exceeding US$100 million, our tools meet rigorous quality standards trusted across North America, Europe, and beyond.
Product Features & Technical Specifications
- Premium Material: Constructed from 45# carbon steel, heat-treated for hardness and durability, ensuring long service life under heavy use.
- Pin Design: Integrated pin extends from the box end to engage with fastener holes, providing anti-slip grip and reducing risk of rounding bolt heads.
- Offset Head: 30° offset angle allows access to recessed or obstructed fasteners, ideal for construction, piping, and automotive applications.
- Full Polish Finish: Mirror-like chrome-free polish offers excellent corrosion resistance and easy cleaning, maintaining professional appearance.
- Industrial Grade: Designed for repetitive heavy-duty use, meeting high torque requirements without deformation.
- Ergonomic Length: 240mm (9.45 inches) provides optimal leverage while remaining portable for toolboxes and belts.
- Precision Opening: 19mm hex opening machined to tight tolerances for a snug fit on standard fasteners.
| Parameter | Value |
|---|---|
| Material | 45# Carbon Steel (Heat Treated) |
| Opening Size | 19 mm (3/4 inch approximate) |
| Overall Length | 240 mm ±2 mm |
| Offset Angle | 30° |
| Surface Finish | Full Polish (Chrome-free) |
| Pin Type | Fixed steel pin, ~3mm diameter |
| Weight per piece | Approx. 280g |
| Packing | Single piece bulk or custom blister card (optional) |
Key Benefits for Your Applications:
- Enhanced Safety: The pin prevents the wrench from slipping off fasteners, reducing hand injuries in high-torque scenarios.
- Time Savings: Quick engagement and release speeds up repetitive bolting tasks on assembly lines or construction sites.
- Versatility: Suitable for use with hex bolts, screws, and nuts that have matching pin holes (e.g., lock bolts, certain automotive fasteners).
- Cost-Effective: Durable construction reduces replacement frequency, offering excellent return on investment for professional users.
- Easy Maintenance: The polished finish resists rust and is simple to wipe clean after use.
Trusted by Global Professionals – Why Choose Cangzhou Dean?
With over two decades of manufacturing excellence, Cangzhou Dean Safety & Special Tools Co., Ltd has become a trusted supplier for the global tool market. Our annual export value exceeds US$100 million, and we ship from major ports including Tianjin, Shanghai, and Ningbo to over 15 regions worldwide, including North America, Europe, Southeast Asia, and Africa. Every tool undergoes strict quality checks to ensure consistent performance. When you choose our 45# Steel Offset Box Wrench with Pin, you are investing in a product backed by a company that prioritizes precision, durability, and customer satisfaction. We offer customization options (e.g., laser engraving, special packaging) upon request. Contact us today to discuss volume pricing or sample orders.
Frequently Asked Questions (FAQ)
1. What is the purpose of the pin on this box wrench?
The pin is designed to engage with corresponding holes in fasteners (e.g., lock bolts, safety bolts) to prevent the wrench from slipping off during use. It provides a positive lock, especially useful in high-torque or vibration-prone environments.
2. Is the 19mm opening compatible with standard metric fasteners?
Yes, 19mm is a common metric hex size. The wrench is precision-machined to fit standard 19mm hex bolts and nuts. However, the pin feature is only functional if the fastener has a matching center hole (typical for aerospace, automotive, or construction lock bolts).
3. What types of fasteners require a wrench with a pin?
Pin-type wrenches are commonly used for fasteners like castle nuts, slotted nuts, or bolts with transverse holes (e.g., in scaffolding, heavy machinery, and off-road vehicles). They are also used for certain specialty bolts in the energy sector.
4. Can I use this wrench for fasteners without a hole?
Yes, the pin does not interfere with normal operation. You can still use it as a standard offset box wrench—the pin simply remains in place but does not contact the fastener unless a hole is present.
5. What is the torque rating of this wrench?
While we do not specify a maximum torque value (as it depends on application and operator strength), the 45# steel body and heat treatment provide ample strength for typical industrial use. For repeated high-torque applications, we recommend using a torque wrench in combination, if precise torque is required.
6. Is the finish resistant to chemicals or solvents?
The full polish finish is primarily for corrosion resistance and ease of cleaning. It offers basic protection against moisture and mild chemicals, but prolonged exposure to aggressive solvents may affect the surface. Wipe clean after use.
7. Do you offer this wrench in other sizes?
Yes, we manufacture a complete range of offset box wrenches with pins from 8mm to 36mm. Custom sizes and special lengths are available upon request with a minimum order quantity.
8. What is the minimum order quantity (MOQ) and lead time?
Standard MOQ is 500 pieces per size. Lead time is typically 20–30 days after order confirmation. For urgent requirements, we can expedite production based on stock availability. Please contact our sales team for details.
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