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Cangzhou Dean Safety&Special Tools Co., Ltd (est. 2001) is proud to present our Non-Magnetic Striking Box Wrench 1-7/16 inch CR-MO Steel — a precision-engineered tool designed for heavy duty torque applications where safety, durability, and reliability are paramount. As a trusted manufacturer with over two decades of experience and an annual export value exceeding US$100 million, we serve global markets including North America, Europe, and Asia. This wrench is crafted from chrome-molybdenum (CR-MO) steel, heat-treated to deliver exceptional strength while maintaining non-magnetic properties — ideal for environments where magnetic interference must be avoided, such as near sensitive electronics or explosive atmospheres.
Our striking box wrench is specifically engineered to withstand repeated heavy impacts from a hammer or sledge without deformation. The 1-7/16 inch (approximately 36.5 mm) opening fits standard hex fasteners commonly found in industrial machinery, oil & gas equipment, and heavy construction. The non-magnetic characteristic is achieved through a specialized alloy composition and controlled heat treatment process, ensuring compliance with demanding safety standards.
Key Features & Technical Specifications
| Parameter | Value |
|---|---|
| Size | 1-7/16 inch (36.5 mm) |
| Material | CR-MO Steel (Chrome Molybdenum) |
| Magnetic Property | Non-magnetic (verified by Gauss meter) |
| Hardness | HRC 38-42 (after heat treatment) |
| Finish | Black oxide / Phosphate (optional) |
| Application | Heavy duty torque, industrial maintenance, oil & gas, mining |
- Heavy Duty Torque Capacity: Designed to withstand impact forces up to 2000 N·m (depending on hammer impact), ensuring reliable performance in the most demanding environments.
- Non-Magnetic Safety: Essential for use near electronic sensors, MRI equipment, or in explosive environments where sparking from magnetic tools could be hazardous. Our wrench is tested to ensure residual magnetism
- CR-MO Steel Durability: Chrome-molybdenum alloy provides excellent toughness and wear resistance, reducing the risk of chipping or cracking even after repeated heavy strikes.
- Precise Fit: The box end features a 12-point design to grip hex fasteners securely, minimizing slippage and fastener damage.
- Ergonomic Striking Surface: The specially designed striking area distributes impact load evenly, protecting the tool and the user's hand from excessive vibration.
- Customizable Length: Standard length is approximately 18-24 inches, but we can accommodate custom lengths to suit specific application requirements.
Product Benefits for Your Business
By choosing our non-magnetic striking box wrench, you gain a tool that reduces downtime due to tool failure, enhances workplace safety by eliminating magnetic hazards, and improves efficiency through precise fastener engagement. The CR-MO steel construction ensures a long service life, providing excellent return on investment. Whether you are in oil & gas maintenance, heavy equipment repair, or industrial plant operations, this wrench is built to perform under extreme conditions.
Trust & Quality Assurance
Since 2001, Cangzhou Dean Safety&Special Tools Co., Ltd has been a leading manufacturer in the special tools industry. With an annual export value exceeding US$100 million and a global shipping network from Tianjin, Shanghai, and Ningbo ports, we have supplied tools to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. Our dedicated quality control team inspects every tool before shipment to ensure it meets strict dimensional and material specifications. We offer customizable packaging and flexible order quantities to meet your procurement needs. Contact us today for a quotation or technical consultation — let our expertise support your heavy duty applications.
Frequently Asked Questions (FAQ)
-
Q: Is this wrench truly non-magnetic? How is it tested?
A: Yes, our wrench is manufactured from a specially formulated CR-MO alloy and heat-treated to achieve non-magnetic properties. Each batch is tested with a Gauss meter to ensure residual magnetism is less than 1 Gauss, meeting typical industry requirements for non-magnetic tools. -
Q: Can I use this wrench with a sledgehammer?
A: Absolutely. This striking box wrench is designed for heavy duty torque applications using a hammer or sledge. The CR-MO steel and heat treatment provide exceptional impact resistance. We recommend using a hammer weighing up to 5 kg for optimal results. -
Q: What finishes are available?
A: Standard finish is a black oxide coating that provides corrosion resistance. A phosphate finish is also available upon request for additional lubrication during striking. Please specify your preference when ordering. -
Q: Is the 1-7/16 inch size compatible with standard fasteners?
A: Yes, 1-7/16 inch (36.5 mm) is a common size for heavy hex nuts and bolts used in industrial equipment, such as flange bolts, anchor bolts, and large machinery components. -
Q: Do you offer custom sizes or lengths?
A: Yes, we provide customization services. You can request different lengths, sizes (metric or inch), or even special box end configurations. Minimum order quantities may apply. Contact our sales team for details. -
Q: What certifications does your company hold?
A: As a specialized manufacturer, we follow rigorous internal quality standards. For specific certification requirements (e.g., material certificates, test reports), please inquire. We can provide documentation based on your needs, subject to confirmation. -
Q: What is the typical lead time for this product?
A: For standard sizes, lead time is approximately 15-25 working days after order confirmation, depending on quantity. Custom orders may take longer. We recommend discussing your schedule with us for accurate estimates. -
Q: How is the tool packaged for export?
A: Each wrench is individually wrapped in a polybag and then packed in sturdy export cartons. Custom branding or blister packaging options are available. We ensure secure packaging to prevent damage during transit.
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