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Help CenterDIN Standard Single Open Wrench, 8mm-32mm Set, Anti-Slip Jaw, Heat Treated
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Cangzhou Dean Safety&Special Tools Co., Ltd. – a trusted manufacturer since 2001 with annual export value exceeding US$100 Million – proudly presents our DIN Standard Single Open Wrench Set (8mm–32mm). These wrenches are engineered for professionals who demand precision, durability, and superior grip. Featuring an innovative anti-slip jaw design and heat-treated construction, this set delivers reliable torque transmission while minimizing fastener rounding. Whether you are a mechanic, maintenance technician, or industrial assembler, our open wrenches offer the performance you need to get the job done efficiently.
Product Features & Advantages
- DIN Standard Compliance: Manufactured to strict DIN norms, ensuring dimensional accuracy and interchangeability.
- Anti-Slip Jaw Geometry: The open end is contoured to grip fastener flats securely, reducing slippage and preventing damage to bolts and nuts.
- Heat Treatment Process: Through-hardened and tempered for optimal hardness (HRC 42–48) and toughness, providing long service life even under heavy use.
- Complete Size Range: 8mm to 32mm – covers most common metric sizes for automotive, machinery, and general maintenance tasks.
- Ergonomic Handle: Smooth, rounded edges for comfortable grip and reduced hand fatigue during extended use.
- Corrosion Resistant Finish: Options include satin chrome, mirror polish, or powder coating to withstand harsh workshop environments.
- Material Options: Standard in Chrome Vanadium Steel for strength and durability; carbon steel also available upon request.
- Customizable Packaging: Supplied in blister pack, roll bag, or metal case to suit your storage and presentation needs.
Technical Specifications
| Parameter | Details |
|---|---|
| Standard | DIN (German Institute for Standardization) |
| Size Range | 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 24mm, 27mm, 30mm, 32mm (full set or individual) |
| Jaw Angle | 15° offset standard for increased clearance |
| Hardness | Heat treated to HRC 42–48 |
| Material | Chrome Vanadium Steel (Cr-V) or Carbon Steel (optional) |
| Surface Finish | Satin chrome, mirror polish, black oxide, or powder coating (customizable) |
| Packaging Options | Blister pack, plastic roll, canvas bag, metal box |
Detailed Benefits
The anti-slip jaw significantly reduces the risk of rounding off fastener heads, saving time and material costs. The heat-treated body ensures that the wrench maintains its shape and torque capacity even after repeated high-force applications. With a full metric range from 8mm to 32mm, this set covers the most commonly used sizes in automotive and industrial repair, eliminating the need for multiple incomplete sets. The ergonomic handle design provides a comfortable, secure grip even when hands are oily or gloved.
Trusted by Global Markets
As a manufacturer with 23 years of experience, Cangzhou Dean Safety&Special Tools Co., Ltd. ships to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions. With an annual export value exceeding US$100 Million, we have built a reputation for consistent quality and on-time delivery. Our production facility in Cangzhou, Hebei, China is equipped with advanced heat treatment and finishing lines to ensure every wrench meets your exacting standards.
Why choose our DIN standard open wrench set? Because you deserve tools that last. Contact us today for a quote or more information – we welcome OEM/ODM orders and customized packaging.
Frequently Asked Questions
1. Are these wrenches suitable for use with rusty or damaged fasteners?
Yes, the anti-slip jaw design helps grip partially rounded fasteners more effectively than standard open-end wrenches. However, for severely damaged heads, we recommend using a dedicated bolt extractor.
2. Can I purchase individual sizes instead of the full set?
Yes, we offer both complete sets and individual wrenches. Please specify your required sizes when placing an order.
3. What material is used and how durable is the heat treatment?
The standard material is Chrome Vanadium Steel (Cr-V) heat treated to HRC 42–48. This provides excellent strength and wear resistance for professional daily use. Carbon steel is available as a cost-effective alternative.
4. Do you provide custom branding or packaging?
Absolutely. We offer OEM/ODM services, including laser engraving, custom color finishes, and bespoke packaging (blister, roll, case, etc.). Minimum order quantities may apply.
5. How do I clean and maintain the wrenches to prevent rust?
After use, wipe the wrenches clean with a dry cloth. If exposed to water or corrosive agents, apply a light coat of oil. The satin chrome finish offers good corrosion resistance; for harsh environments, choose our powder-coated option.
6. What is the shipping port and typical lead time?
We ship from Tianjin, Shanghai, or Ningbo ports. Lead time for standard sets is 10–15 working days (subject to order quantity and customization).
7. Do these wrenches comply with the latest DIN standards?
Yes, our wrenches are manufactured to current DIN specifications. We regularly update our production to maintain compliance.
8. What is the warranty policy?
We offer a one-year warranty against manufacturing defects. For any issues, please contact our customer service team promptly.
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