3D Concealed Hinges

3D Concealed Hinges

  • Three-dimensional concealed hinges adjustable in three directions.
  • They feature high-quality circular bearings without the need for lubrication.
  • The body is made of premium alloy and is available in three colors: silver, black, and white.
  • Composed of three arms for enhanced strength.
  • Allows the door to open up to 180 degrees.
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KCH Series Concealed Hinges by Kenwa

Premium Adjustable Hidden Hinges for Modern Doors

Kenwa Co., Ltd., a renowned Japanese manufacturer of architectural hardware, introduces the KCH Series, a premium range of 3D adjustable concealed hinges designed to meet the highest standards of modern architecture.
This series combines minimalist aesthetics, precision engineering, and long-term durability, making it an ideal solution for high-end residential and commercial projects.

What Is the KCH Series?

The KCH Series consists of fully concealed door hinges that are installed inside the door leaf and frame, remaining completely invisible when the door is closed.
This hidden design enhances the visual appeal of doors while maintaining excellent mechanical performance.

✔ Suitable for wooden, steel, and aluminum doors
✔ Ideal for residential and commercial applications
✔ A modern alternative to traditional visible hinges

Key Features of KCH Series Hinges

🔹 Fully Concealed, Minimalist Design

KCH hinges are completely hidden within the door and frame, providing a clean, seamless appearance that perfectly suits contemporary architectural designs.

🔹 3D Adjustability for Precise Alignment

The hinges offer three-directional adjustment, allowing fine tuning even after installation:

  • Vertical adjustment
  • Horizontal adjustment
  • Depth adjustment

This ensures perfect door alignment and smooth operation over time.

🔹 Wide Opening Angle (Up to 180°)

With an opening angle of up to 180 degrees, KCH hinges allow maximum accessibility and convenience, especially in high-traffic commercial spaces.

🔹 Non-Handed Design

The hinge is non-handed, meaning it can be used for both left-handed and right-handed doors, simplifying inventory management and installation.

🔹 High Durability and International Standards

  • Tested for up to 200,000 opening and closing cycles
  • High corrosion resistance
  • Compliant with EN 1935 and EN 1670 European standards

Technical Specifications and Load Capacity

Number of Hinges Maximum Door Weight Recommended Door Size
2 Hinges Up to 100 kg 2300 × 900 mm
3 Hinges Up to 100 kg 2500 × 900 mm
4 Hinges Up to 100 kg 3500 × 1200 mm

Adjustment Range:
✔ Vertical: ±3 mm
✔ Horizontal: ±2 mm
✔ Depth: ±1 mm

Why Choose KCH Series by Kenwa?

✔ Elegant and fully concealed appearance
✔ High-precision 3D adjustment
✔ Japanese engineering and manufacturing quality
✔ Long service life with stable performance
✔ Ideal for luxury, commercial, and modern architectural projects

Typical Applications

  • Interior and exterior doors
  • Luxury residential villas and apartments
  • Office buildings and corporate spaces
  • Hotels, retail stores, and commercial facilities

Conclusion

If you are looking for a high-quality concealed hinge that delivers modern aesthetics, precise adjustability, and exceptional durability, the KCH Series by Kenwa is a reliable and professional choice.
Its advanced design and compliance with international standards make it suitable for demanding architectural and commercial environments.