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Help CenterDIN Standard Single Open Wrench, Carbon Steel, Induction Hardened Head, Metric 13mm
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As a manufacturer with over two decades of experience, Cangzhou Dean Safety&Special Tools Co., Ltd proudly presents our DIN Standard Single Open Wrench, crafted from high-quality carbon steel and featuring an induction‑hardened head for exceptional durability. Established in 2001 and exporting to more than ten major markets worldwide, we understand the precise needs of professionals who demand reliable tools for daily maintenance and assembly tasks. This 13mm metric wrench combines German engineering standards with advanced heat treatment technology, delivering consistent performance in both industrial and automotive applications.
Our single open‑end wrench is manufactured strictly according to DIN 894/3110 specifications, ensuring accurate jaw opening and a secure grip on fasteners. The carbon steel body provides superior strength, while the induction‑hardened head extends service life by resisting wear and deformation even under repeated high‑torque loads. Whether you are a mechanic, a maintenance technician, or a DIY enthusiast, this tool offers the perfect balance of toughness and precision.
- Material Quality: Drop‑forged from high‑carbon steel, heat‑treated to achieve optimal hardness and toughness.
- Induction Hardened Head: The jaw and the tip are selectively hardened (42–48 HRC) for excellent wear resistance without making the entire tool brittle.
- DIN Standard Compliance: Manufactured in accordance with DIN 894/3110, guaranteeing exact dimensions and interchangeability.
- Precise Metric Size: 13mm opening fits metric nuts and bolts with minimal play, reducing the risk of rounding.
- Anti‑Slip Design: The jaw angle and broaching are optimized to provide a firm grip even in oily or confined spaces.
- Corrosion Protection: Available in natural steel finish or black oxide coating for added rust resistance.
| Parameter | Specification |
| Standard | DIN 894 / DIN 3110 (single open end) |
| Material | High‑carbon steel (45# / 50#) |
| Head Hardness | 42–48 HRC (induction hardened) |
| Overall Length | Approx. 185 mm (7.3 inches) |
| Jaw Thickness | 6.5 mm |
| Weight | ~90 g (0.2 lb) |
| Finish Options | Natural / Black oxide / Phosphate (customizable) |
This wrench is designed for long‑term reliability. The induction hardening process selectively strengthens the head without affecting the elasticity of the handle, so the tool can absorb shocks without breaking. Each wrench undergoes strict quality checks, including dimensional inspection and hardness testing, to ensure consistent performance. Whether you are tightening bolts on a production line or repairing heavy machinery, you can rely on this tool to deliver repeated accuracy.
Our factory in Cangzhou, Hebei, China, is equipped with modern forging and heat‑treatment lines, enabling us to produce over 500,000 wrenches annually. With an annual export value exceeding US$100 million, we serve customers across North America, South America, Europe, Southeast Asia, Africa, and Oceania. We ship from major ports including Tianjin, Shanghai, and Ningbo, ensuring timely delivery worldwide. All our tools are backed by strict quality control procedures and a dedicated after‑sales support team.
When you choose Cangzhou Dean, you are partnering with a manufacturer that has supplied reliable tools to global industries for more than 20 years. We offer custom branding and packaging options to meet your specific requirements. For bulk orders, we provide competitive pricing and flexible lead times. Contact us today for a quotation or product samples to experience the quality firsthand.
Frequently Asked Questions
Q1: Is this wrench made according to DIN standard?
A: Yes, it fully complies with DIN 894/3110 for single open‑end wrenches. The jaw opening, thickness, and overall dimensions meet the standard.
Q2: What is the hardness of the head?
A: The induction‑hardened head has a hardness of 42–48 HRC, providing excellent wear resistance while maintaining handle ductility.
Q3: Can I get this wrench in other sizes or finishes?
A: Yes, we offer metric sizes from 6mm to 46mm. Finishes include natural, black oxide, and phosphate. Custom colors are available for volume orders.
Q4: Is the tool suitable for professional automotive use?
A: Absolutely. The carbon steel construction and hardened head make it ideal for repetitive use in garages, workshops, and production lines.
Q5: What packaging options are available?
A: Standard packaging includes individual blister cards, hang tags, or bulk poly bags. Custom blister packs or tool rolls can be arranged.
Q6: How do I ensure the wrench does not slip on rounded nuts?
A: Our wrench features precise broaching and an optimized jaw angle. For heavily rounded fasteners, we recommend using a six‑point design, but this open end is effective for standard hex nuts.
Q7: What is your minimum order quantity (MOQ) for this wrench?
A: For stock sizes and finishes, MOQ is 200 pieces. For customized packaging or branding, MOQ starts at 1000 pieces.
Q8: Do you provide samples before bulk order?
A: Yes, samples are available upon request. You can contact our sales team to arrange sample delivery with reasonable freight cost.
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