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Help CenterDEANTOOLS Hex Wrench Set CR-V Steel 1.5-10mm Black Finish for Precision Torque
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At Cangzhou Dean Safety & Special Tools Co., Ltd., we have been manufacturing high-quality hand tools since 2001, with annual exports exceeding US$100 million to markets worldwide. Our DEANTOOLS Hex Wrench Set is engineered for professionals who demand precision, durability, and reliability. Made from premium CR-V steel with a black finish, this 1.5-10mm set delivers the torque accuracy needed for critical fastening tasks. Whether you are a mechanic, engineer, or DIY enthusiast, this tool set ensures every turn counts.
The hex wrenches are heat-treated and precision-machined to provide a tight fit into fasteners, reducing rounding and slippage. The black oxide coating not only enhances corrosion resistance but also reduces glare in bright work environments. Each wrench is marked with its size for quick identification, and the set comes organized in a convenient holder or pouch (depending on configuration).
Key Features & Technical Specifications
- Superior Material: CR-V (Chrome-Vanadium) steel for high strength and longevity.
- Precision Sizing: Manufactured to tight tolerances (±0.02mm) for exact fit.
- Black Finish: Black oxide coating increases wear resistance and prevents rust.
- Size Range: Covers 1.5mm to 10mm (standard metric sizes) – 8 wrenches in total.
- Heat Treatment: Quenched and tempered to achieve HRC 48-52 hardness.
- L-Shape Design: Provides optimal leverage and reach in tight spaces.
- Laser Marking: Each wrench is permanently laser-etched with its size for easy identification.
- Portable Storage: Comes with a plastic clip or folding case (optional) for organized storage.
| Parameter | Details |
|---|---|
| Material | CR-V Steel (Chrome-Vanadium) |
| Surface Treatment | Black Oxide |
| Size Range | 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm |
| Hardness | HRC 48-52 |
| Torque Tolerance | ±5% (at rated load) |
| Length (Long Arm) | Varies by size: approx. 50-150mm |
| Weight | Approx. 0.25 kg (set) |
Benefits to You: The precisely machined tips ensure a full contact fit, reducing the risk of stripping hex sockets. The black finish minimizes reflection, making it easier to work under bright lights. The heat-treated CR-V steel resists bending and breaking, even under high torque applications. This set is ideal for assembly lines, automotive repair, bicycle maintenance, furniture assembly, and precision instruments.
Quality Assurance: Each wrench undergoes rigorous inspection for dimensional accuracy, hardness, and surface finish. Our factory follows strict quality control procedures to ensure consistent performance. The tools are packaged securely to prevent damage during shipment.
Why Choose DEANTOOLS?
With over two decades of manufacturing experience and an annual export value above US$100 million, Cangzhou Dean Safety & Special Tools Co., Ltd. has built a reputation for reliability and innovation. Our products are shipped to major markets including North America, Europe, Southeast Asia, Africa, and Oceania. We source high-grade raw materials and employ advanced heat treatment and CNC machining to create tools that professionals trust.
We offer flexible packaging options (blister card, plastic container, or custom sets) and can customize branding or size selections upon request. Contact us today to learn more or to place a bulk order. Experience the precision and durability of DEANTOOLS Hex Wrench Sets.
Frequently Asked Questions
Q1: Are these hex wrenches suitable for use with impact tools?
A: No, these are standard hand hex wrenches designed for manual use. They are not intended for impact drivers or power tools, as high-speed impacts may cause damage.
Q2: What is the exact tolerance of the hex ends?
A: The hex ends are manufactured to a tolerance of ±0.02mm, ensuring a snug fit in standard metric hex sockets and reducing the chance of rounding.
Q3: Can I get a custom size range or a different finish?
A: Yes, we offer customization options including different size combinations, surface finishes (e.g., phosphate, zinc plating), and packaging. Please contact us with your requirements.
Q4: How are the wrenches packaged?
A: Standard packaging is a plastic clip holder or a folding pouch. Bulk packaging or custom blister cards are available upon request.
Q5: Do the wrenches come with a warranty?
A: Yes, we provide a limited warranty against manufacturing defects. Please refer to our warranty policy for details, which can be provided upon request.
Q6: What is the lead time for bulk orders?
A: For standard sets, lead time is typically 15-30 days depending on order quantity and customization. We can provide an exact timeline upon order confirmation.
Q7: Are the wrenches marked with sizes?
A: Yes, each wrench has a permanent laser-engraved size marking on the long arm for easy identification.
Q8: Can these be used for precision torque applications?
A: Yes, the tight tolerances and proper heat treatment make them suitable for precision torque work, such as in electronics or machinery assembly. However, for critical torque values, a torque wrench is recommended.
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