The NRH 8133-51 is a dedicated 90-degree lid support hinge, engineered specifically for small wooden boxes, display chests and storage cases. It holds the lid firmly open at an exact 90-degree angle, allowing hands-free access and preventing accidental backward falling. Made of premium iron with polished chrome plating, this compact hinge delivers solid durability, smooth movement and a sleek classic finish that matches all types of wooden textures. With a lightweight design of only 24g and a recommended load capacity of 8kg for pair installation, it offers robust support for small box lids without damaging delicate wooden structures.
Every dimension is precisely calibrated for professional woodworking assembly. It features an overall size of 51mm × 46.6mm and a space-saving compact layout. Designed with 4 x Ø4mm mounting holes and Ø7mm counterbores, it enables flush concealed installation for a neat and seamless look. Key internal dimensions including 7.6mm and 16.5mm ensure stable pivot performance and accurate 90-degree stop positioning, making it an ideal standard hardware for custom box design and mass production.
Product Overview: 90-Degree Lid Support Hinge
The NRH 8133-51 is tailor-made for woodworkers, box manufacturers and custom gift box designers. Built with an integrated stop mechanism, it locks the lid steadily at 90° once fully opened. This avoids lid rebound, protects the box surface and hardware structure, and leaves the interior fully accessible for two-sided use. The high-quality chrome plating resists oxidation and tarnish, maintaining a premium appearance for long-term use and fitting perfectly with both traditional and modern wooden box styles.
Technical Specifications & Key Benefits
All performance and dimensional parameters are engineered for practical woodworking applications:
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Sturdy Material & Premium Finish: High-strength iron construction with chrome plating, providing excellent wear resistance, anti-rust performance and long service life.
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Reasonable Load Bearing: 8kg reference load for two hinges installation, perfectly suitable for small and medium wooden boxes, jewelry cases and keepsake chests.
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Built-in 90° Stop Function: Fixed positioning at right angle keeps the lid stable and safe, greatly improving daily use convenience.
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Precision Size for Easy Installation: Fully optimized dimensions for seamless woodworking fitting.
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Mounting Structure: 4 x Ø4mm mounting holes with Ø7mm counterbores for flush hidden screw mounting.Pivot Structure: Optimized clearance and thickness of 0.8mm, 7.6mm and 16.5mm ensure smooth rotation and precise angle control.
Typical Applications
Designed exclusively for wooden box hardware matching, NRH 8133-51 is widely applicable to the following scenarios:-
Jewelry & Keepsake Boxes: Ideal for jewelry cases, trinket boxes, music boxes and handmade wooden storage chests.
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Craft & Hobby Storage Cases: Perfect for model tool boxes, craft supply containers and collector storage boxes.
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Luxury Gift & Presentation Boxes: Matches high-end watch boxes, pen cases and custom gift packaging to enhance premium unboxing experience.
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Instrument & Document Cases: Suitable for lightweight wooden cases for small instruments, stationery sets and file storage.
Upgrade your box design with professional hardware solutions. The NRH 8133-51 90-degree support hinge combines stable positioning, durable structure and elegant appearance, becoming the preferred hardware choice for custom woodworking and high-end box manufacturing.Contact our team to get detailed 2D/3D CAD drawings, installation guides and professional technical support for your project.
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