Piano Hinge
Piano Hinge is a concealed cabinet hinge that attaches inside the cabinet so no hardware shows on the door face, giving adjustable, repeatable door alignment in volume furniture production. It is available for OEM bulk supply with samples, datasheets, and installation drawings on request.
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Piano Hinge is a concealed cabinet hinge that attaches inside the cabinet so no hardware shows on the door face, giving adjustable, repeatable door alignment in volume furniture production. This page summarizes how to specify it for volume furniture and cabinet manufacturing, including the dimensions and options that matter most to buyers.
Industry Data
Use these product signals to compare fit, specification risk, and sourcing options before requesting samples or bulk pricing.
- Open Length: 300 mm Confirm the exact value on the order datasheet before production.
- Leaf Width: 25 mm Confirm the exact value on the order datasheet before production.
- Pin Diameter: 3.0 mm Confirm the exact value on the order datasheet before production.
- Material Thickness: 1.0 mm Confirm the exact value on the order datasheet before production.
- Hole Spacing: 100 mm Confirm the exact value on the order datasheet before production.
- Material options: Stainless Steel, Carbon Steel, Zinc Alloy, Aluminum and Brass Choose material by strength, corrosion exposure, and target price.
- Finish options: Stainless Steel, White, Brushed Stainless Steel, Chrome and Black Nickel Confirm finish samples when color matching matters.
- Application fit: Aluminum Frame Cabinet Doors, Handleless Cabinets, Soft Close Cabinets and Push To Open Cabinets Match the product to the furniture use case, not only to the part name.
Key Specifications
| Open Length | 300 mm |
|---|---|
| Leaf Width | 25 mm |
| Pin Diameter | 3.0 mm |
| Material Thickness | 1.0 mm |
| Hole Spacing | 100 mm |
| Material / Finish | Zinc-plated steel |
Specifications are configurable for OEM/ODM orders. Exact values are confirmed on the datasheet for your order.
How to Choose
- Cup diameter (35mm is the furniture-industry standard; 26mm for thin doors)
- Cup depth and the required boring pattern
- Opening angle (95°–110° for most doors, wide-angle for blind corners)
- Overlay type: full overlay, half overlay, or inset
- Face-frame vs frameless (European) cabinet construction
- Door thickness and material
- Soft-close or self-closing requirement
- Mounting plate type and clip-on vs screw-on attachment
Material Options
Cold-rolled steel arms with nickel plating are standard for value, while stainless steel suits humid kitchens and bathrooms. Cup and arm gauge drive the cycle life and sag resistance.
Finish Options
Hinges are usually nickel-plated and hidden inside the cabinet, so finish is about corrosion resistance rather than appearance. Specify a heavier plating or stainless steel for high-humidity programs.
Application Fit
- Aluminum Frame Cabinet Doors
- For this application, piano hinge is specified for the typical load, environment, and usage of this application.
- Handleless Cabinets
- For this application, piano hinge is specified for the typical load, environment, and usage of this application.
- Soft Close Cabinets
- For this application, piano hinge is specified for the typical load, environment, and usage of this application.
- Push To Open Cabinets
- For this application, piano hinge is specified for the typical load, environment, and usage of this application.
- Heavy Duty Drawers
- For this application, piano hinge is specified for the typical load, environment, and usage of this application.
- File Cabinets
- For this application, piano hinge is specified for full-extension access and load-rated, lockable operation.
Recommended for These Applications
Installation Notes
Bore the 35mm cup, screw the hinge boss to the door, fix the mounting plate to the cabinet side at the correct height, then clip the arm to the plate. Use the three adjustment screws to align overlay, height, and depth.
⇲ Animated Installation Guide
Step-by-step SVG diagrams for installing Piano Hinge on a production line.
Open the installation guide →Buying Notes for OEM Orders
For OEM cabinet lines, lock the cup size, opening angle, overlay, and soft-close type, then standardize the mounting plate height across the range to keep boring patterns consistent.
Comparisons
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