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What Is a Butt Hinge?
A butt hinge, also known as a mortise hinge, is the most common mechanical bearing used to connect doors and frames. It consists of two identical metal plates (leafs) joined by a central knuckle and pin.
At JOHON, our butt hinges are engineered for mortised installation, meaning the leafs are recessed into the door and frame to sit completely flush. This design ensures maximum structural integrity and a clean, professional finish where only the knuckle remains visible when the door is closed.
The JOHON Advantage: Why Source From Us?
Massive Production Capacity
With a 20,000 ㎡ facility and over 300 staff, we produce 100,000 pcs daily (3 million pcs monthly) to ensure timely delivery for global orders.
Full In-House Manufacturing
We control every step—from raw material processing to final surface finishing—ensuring unmatched quality consistency.
Certified Excellence
Our factory is ISO 9001:2015 certified, GMC by TUV approved, and has passed rigorous DAS audits.
30 Years of OEM/ODM Expertise
We provide tailored hardware solutions for markets in Europe, America, Africa, and the Middle East.
Application Scenarios: The Right Hinge for Every Door
As a professional hinge manufacturer, JOHON understands the differentiated performance needs of hinges based on the type of door. Below are our recommended hinge selections based on various door applications:
Residential Interior Doors
Interior doors typically prioritize quiet operation, aesthetics, and smooth opening and closing.
Recommended Types: Washered Bearing Hinges or Plain Bearing Hinges.
Common Sizes: 3" or 3.5" (Square/Round Corner).
Application Features: Paired with phosphor bronze washers, ensuring quiet operation for bedroom and study doors even with long-term use. Various surface finishes (such as brushed nickel or matte black) perfectly match interior décor styles.
Entry Doors & Heavy Solid Wood Doors
Entry doors are not only heavy but also have high usage frequency, requiring hinges with strong load-bearing capacity and durability.
Recommended Types: Ball Bearing Hinges or Heavy Weight 5-Knuckle Hinges.
Common Sizes: 4" or 4.5" (Thickness typically between 3.0mm - 4.0mm).
Application Features: Ball bearings effectively distribute the downward pressure of heavy doors, preventing warping and ensuring smooth operation for solid wood doors weighing over 100 kg.
Commercial & Office Buildings
In high-traffic commercial spaces, hinges need to withstand thousands of openings and closings daily, often requiring compliance with fire safety standards.
Recommended Types: Ball Bearing Hinges or Concealed Bearing Hinges.
Common Sizes: 4.5" or 5" (High-grade stainless steel material).
Application Features: Made from high-grade steel, these hinges offer exceptional fatigue resistance, support the installation of automatic door closers, and meet the frequent use and fire safety requirements of commercial spaces.
Gate & Exterior Doors
Exposed to prolonged sun and rain, rust resistance is the top priority.
Recommended Types: Stainless Steel Butt Hinges or Welding Hinges.
Application Features: Made from high-grade stainless steel or special electroplating processes, offering strong anti-oxidation properties to effectively prevent hinge jamming or breakage due to rust.
Specialty Doors
Professional solutions tailored to specific functional requirements:
Doors over Thick Carpeting: Recommended use of Rising Butt Hinges. The door lifts automatically when opened, avoiding friction with thick carpeting.
Out-swinging Security Doors: Recommended use of Security Hinges. Fitted with non-removable pins (NRP), ensuring the door cannot be removed even if the external pin is damaged.
Maintenance & Industrial Doors: Recommended use of Lift-Off Hinges. Allow quick door removal without tools, facilitating large equipment access or space maintenance.
Customization & OEM/ODM Services
1. Material & Grade Selection
What we offer: Selection of high-grade Carbon Steel, Stainless Steel (SUS201/304/316), and Solid Brass. We can customize the steel thickness (from 1.0mm to 4.0mm+) to meet your specific load-bearing requirements.
2. Custom Finishes & Corrosion Resistance
What we offer: A wide spectrum of finishes including PVD Gold, Satin Chrome, Antique Bronze, Matt Black, and Powder Coating. We also provide specialized salt spray testing to ensure long-term corrosion resistance for coastal or industrial projects.
3. Private Labeling & Custom Packaging
What we offer: Laser-etched logos on the hinge leafs, custom-designed inner boxes, and durable master cartons with your branding and barcodes for seamless retail integration.
Procurement & Cooperation Process
At JOHON, we streamline the procurement process to ensure smooth and efficient collaboration with our clients. From initial inquiry to final delivery, we provide transparent communication, tailored solutions, and high-quality products every step of the way. Whether you're placing a small order or a large bulk purchase, our team is committed to meeting your specific needs with precision and professionalism.
Initial Inquiry
Provide door specifications, quantities, and required finishes.
Technical Assessment & Quotation
We respond with tailored recommendations and pricing.
Sample Approval
Order Confirmation & Contract
Mass Production & Quality Control
Rigorous inspections ensure consistent quality.
Packaging & Delivery
OEM packaging supported.
After‑Sales Support
Start Your Procurement Process with Us Today
Contact Us
Get in touch with us today for quotes, samples, or any inquiries. Our team is here to help with your hinge solutions!
FAQs
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Read More Keep in Touch With Us
From custom hole patterns to heavy-duty thickness requirements, we specialize in meeting rigorous industrial standards. Tell us about your project scale and technical needs.
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