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Help CenterDouble Ended Box Wrench 4mm-12mm Metric Sizes Satin Nickel Plated For Plumbing Repair
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From Cangzhou Dean Safety&Special Tools Co., Ltd, a trusted manufacturer since 2001, we present our Double Ended Box Wrench Set in Metric Sizes (4mm-12mm) with a refined Satin Nickel Plated finish. Designed specifically for plumbing repair and precision fastening tasks, these wrenches offer exceptional grip, corrosion resistance, and durability. Whether you are a professional plumber or a DIY enthusiast, our wrenches deliver reliable performance for tightening and loosening nuts and bolts in tight spaces. With an annual export value exceeding US$100 million, our tools are trusted across North America, Europe, and beyond.
Key Features & Technical Specification
Metric Size Coverage: Includes 9 wrenches: 4, 5, 6, 7, 8, 9, 10, 11, and 12mm – ideal for common plumbing fittings, automotive bolts, and machinery.
Double Ended Box Design: Each wrench features a 12-point box end on both sides, allowing a 30° working arc for easier access in confined areas.
Satin Nickel Plated Finish: Provides excellent corrosion resistance, reduces glare, and gives a smooth, professional appearance.
High-Grade Material: Made from Chrome Vanadium Steel, heat-treated for strength and longevity.
Precise Fit: Sizes are calibrated to metric standards to prevent rounding of fastener corners.
Compact Storage: Comes with a handy plastic clip or pouch (optional) for organization.
Technical Specifications (Approximate Dimensions)
| Size (mm) | Length (mm) | Head Width (mm) |
|---|---|---|
| 4 | 100 | 12 |
| 5 | 110 | 14 |
| 6 | 120 | 16 |
| 7 | 130 | 18 |
| 8 | 140 | 20 |
| 9 | 150 | 22 |
| 10 | 160 | 24 |
| 11 | 170 | 26 |
| 12 | 180 | 28 |
Note: Dimensions are approximate. Actual measurements may vary slightly due to manufacturing tolerances.
Benefits for Your Plumbing Repair Work
Effortless Access: The double-ended box design allows you to switch between sizes without extra tools – simply flip the wrench.
Secure Grip: 12-point box ends engage fully on hex fasteners, reducing the risk of slipping or damaging bolt heads.
Corrosion Resistance: Satin nickel plating withstands moisture, chemicals, and frequent cleaning – perfect for plumbing environments.
Space-Saving Set: One compact kit covers the most common metric sizes, eliminating the need for multiple individual wrenches.
Long-Lasting Durability: Chrome Vanadium steel construction ensures the wrenches can handle repeated torque without deformation.
Why Choose Cangzhou Dean Safety&Special Tools Co., Ltd?
Established in 2001, we are a dedicated manufacturer with over two decades of experience. Our annual export value exceeds US$100 million, supplying tools to major markets including North America, Europe, Southeast Asia, and Africa. We ship from major Chinese ports such as Tianjin, Shanghai, and Ningbo, ensuring fast and reliable logistics. Each wrench set undergoes rigorous quality checks to meet international standards. When you purchase our Double Ended Box Wrench Set, you are investing in craftsmanship, precision, and a partnership with a global leader in safety and special tools.
Frequently Asked Questions (FAQ)
1. Are these wrenches suitable for use on stainless steel fittings?
Yes, the satin nickel plated finish reduces friction and helps prevent galling. However, always use proper technique to avoid marring soft metals.
2. Do you offer a warranty on this product?
We provide a standard manufacturer's warranty against defects in material and workmanship. Please contact us for specific terms.
3. Can I get custom branding or packaging for my business?
Yes, custom packaging and laser engraving are available upon request. Minimum order quantities may apply.
4. What is the difference between a double-ended box wrench and a combination wrench?
A double-ended box wrench has a box end on both sides, while a combination wrench has one open end and one box end. Our design provides double the versatility for tight spaces.
5. Are these wrenches made in China?
Yes, they are manufactured in our facility in Cangzhou, Hebei, China, under strict quality control.
6. How should I clean and maintain the satin nickel finish?
Wipe with a dry cloth after use. Avoid abrasive cleaners. For heavy grime, use mild soap and water, then dry thoroughly.
7. Can I purchase individual sizes instead of the full set?
Typically, this set is sold as a complete kit, but wholesale buyers can inquire about custom size combinations.
8. What is the lead time for an order?
For standard orders, lead time is usually 15-30 days depending on quantity and stock availability. Express shipping options can be arranged.
Contact us today to discuss your bulk requirements or request a sample. With our global shipping network and commitment to quality, we are your reliable partner for professional hand tools.
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