Concealed Internal Mounting Hinge
A concealed hinge installed inside the enclosure or cabinet door. The hinge is not visible from the outside, providing a clean, hidden, and aesthetically pleasing appearance.
Product Advantages
- Fully concealed design – installed inside the enclosure
- Opening angle: 120° or 135°
- Quick-release design: the pin can be removed via an E-clip, allowing easy door panel removal
Available in Two Sizes
- Size 20.3 mm (opening angle up to 120°)
- Size 21.5 mm (opening angle up to 135°)
Material Options
- Zinc-plated steel or stainless steel SUS304
Compatible Models
Screw-mounted type
- Stainless Steel SUS304: BS-2407-011-304 (20.3 mm), BS-2407-012-304 (21.5 mm)
- Zinc-plated Steel: B-2407-011-01 (20.3 mm), B-2407-012-01 (21.5 mm)
Key Benefits
- Quick disassembly: No need to remove the entire hinge; simply remove the E-clip and pull out the pin to separate the door panel from the enclosure
- Easy maintenance: Convenient for door replacement and maintenance work
- Wide opening angle: 120° opening allows easy access for internal operations
Universal left/right installation; simply adjust the orientation during installation.
Applications
- Electrical control enclosures
- Machinery equipment
- Sheet metal machinery
- Industrial equipment doors
- Instrument enclosures
- Automation equipment



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