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Zinc Alloy Door Hinges 180°
Door hinge

Zinc Alloy Door Hinges 180°

Chrome Heavy Duty Cross-Fold Hidden Invisible Hinge – The Invisible Spine for Heavy Duty Spaces
The **chrome heavy-duty cross-folding invisible hinge** is specially designed for super-heavy doors and industrial-grade scenes. With its disruptive engineering structure and invisible load-bearing capacity, it redefines the opening and closing standards of 50kg door panels and provides a traceless solution for museum-grade display cabinets and heavy-duty sliding door systems.

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    Fully invisible embedded, design revolution

    Ultra-deep embedded architecture: Adapted to 30mm thickened door panels (solid wood/metal composite panels), the hinge body is completely sunk inside the door panel, leaving only a 0.3mm extremely narrow chrome metal edge, achieving "zero visual breakpoints" between the door panel and the frame, perfectly fitting in demanding aesthetic scenes such as invisible safes and ultra-high glass doors.  
    Futuristic texture: Mirror chrome PVD coating is resistant to fingerprints and acid and alkali corrosion. It collides with pioneering materials such as titanium, carbon fiber, and high-gloss paint to create a cyberpunk or space capsule-style minimalist space.

    50kg overweight load capacity, industrial grade structure

    Three-axis mechanics system:
      Cross-folding X-shaped frame: 19×95mm super large base combined with multi-directional force bearings, double hinge group can carry **50kg super-limit weight
      20mm pin: Used with stainless steel pins, the shear strength is increased by 90%, and there is no risk of deformation even if it is opened and closed violently at high frequency.  

    Bimetal Defense Matrix, Promise of Eternal Life
    Zinc alloy body: Using die-casting technology, the density is increased by 15%, and there is no embrittlement and cracking under extreme temperature differences from -30°C to 120°C.  
    -Stainless steel core: The stainless steel bearing assembly has passed the ISO 9227 standard 200-hour salt spray test and is suitable for highly corrosive environments such as marine climates and chemical plants. Its service life is 5 times that of ordinary hinges. 

    Free thickness: standard 30mm door panel adapter.

    -Scenario breakthrough: supports 90° standard opening and closing, 180° full flat opening and multi-stage folding modes, covering special scenarios such as explosion-proof vault doors, automated robotic arm hatches, and medical clean room airtight doors.  
    Technical parameters
    Material: zinc alloy (base)/316L stainless steel (dynamic components)
    Surface treatment: chrome PVD coating (Mohs hardness level 8)
    Single hinge load-bearing: 25kg | Double-hinge group load-bearing: 50kg
    Suitable door thickness: 30mm
    With its invisible body, it can carry heavy weight - this hinge is not only a piece of hardware, but also the ultimate answer to the safety and aesthetics of heavy-duty spaces.

    Product details

    Product name Heavy duty cross-folding hidden invisible hinges
    Product material Zinc alloy + stainless steel

    Product weight

    277g
    Product model F04
    Product size 19*95MM
    product color Chromium, Nickel
    Product packaging Independent bag + inner box + outer carton
    Packing quantity 40pcs
    Maximum weighing 50KG
    Installation method Customized installation of self-tapping screws
    Application scenarios Office buildings, apartments, hotels, homes
    Features invisible
    opening angle 180°

    Product origin

    China, Guangdong
    product guarantee Made of high-quality raw materials, durable and environmentally friendly, effectively preventing corrosion and rust.
    Factory experience More than 18 years of production experience.
    Payment method T/T or other negotiation.
    delivery time Delivery will be completed within 30 days after payment is received
    Product style Modern simplicity and light luxury style.
    Quality control All products in our factory are 100% inspected through raw material inspection, finished product inspection, and quality assurance.
    After-sales quality control After passing the finished product inspection, it ensures that it meets customer requirements.
    After-sales service Online technical support.
    Cooperation services Products can be customized to ensure customer requirements are met.
    Products and services We can customize products for customers to ensure that they meet customer requirements, and can provide customers with OEM and ODM services.
           

    Common problem

    Question 1: Are you a factory or a trading company?

    Answer: We have a professional hardware manufacturer factory with 17+ experience, and we also have a foreign trade department focused on connecting overseas business.

     

    Question 2: Where is your factory?

    Answer: The factory address is: Jiangbian Industrial Zone, Jinli Town, Gaoyao District, Zhaoqing City, Guangdong Province, China.

     

    Question 3: When can it be delivered for use?

    Answer: 30% of your T/T is received as a deposit to arrange production. It will be delivered within 20 days and the 70% balance will be settled before delivery. The specific delivery plan can be customized according to your needs.

     

    Question 4: What are the payment methods?

    Answer: T/T payment method.

     

    Question 5: What shipping methods do you have?

    Answer: We have a shipping department and a freight forwarder, so we can guarantee faster delivery and keep the goods well protected. The specific freight plan can also be customized according to your needs.

     

    Question 6: How strong is your factory? Will your products continue to be available?

    Answer: We have strong R&D capabilities and rich industry experience, and we can definitely continue to provide products with high quality and quantity.

     

     

    Question 7: Does your factory have standards for quality control?

    Answer: We have professional and strict QC to follow up on each order and supervise every process from production to packaging. Defective products will be scrapped in the next production process. Each order will be strictly inspected by the QC department before shipment.

     

    Question 8: Is there room for discounts on your prices?

    Answer: Our prices are based on product manufacturing costs and fair market prices. If the purchase volume is large, we can provide bulk discounts. And ensure to provide you with competitive prices.

     

    Question 9: What are your advantages compared to your competitors?

    Answer: We have excellent advantages in R&D strength and industry experience. At the same time, we have diversified product customization, which can fully meet your business needs and ensure that we provide you with competitive quality.

     

    Question 10: Who are your other customers?

    Answer: Our customers cover countries in Europe, America, the Middle East, Africa and Southeast Asia.

     

    Question 11: Can you provide product samples?

    A: We can provide you with sample pieces to test and check the quality. Samples are free, but shipping costs are at your cost.

     

    Question 12: Does it support customized products?

    Answer: We support customized products. The factory has a professional R & D team to design customized products. If the goods you want are not in our directory, please contact us and provide physical sample parts or sample parts data, we will calculate the cost and unit price of the mold according to the data of the sample parts. If everything is reached, we will customize production for you.

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