Stainless Steel 316 Black Ball Bearing Bifold Door Flush Hinge OEM Factory-DDSS027

As a professional manufacturer of black flush door hinges, we introduce this ball-bearing folding door flush hinge made from 316 stainless steel. This black flush door hinge delivers an ideal door control solution for modern architectural spaces with its superior material and exquisite design. The product features high-quality 316 stainless steel base material paired with a durable matte black surface finish, ensuring outstanding corrosion resistance even in humid environments. Its unique ball-bearing structure enables smoother and quieter door operation, making it particularly suitable for high-frequency commercial settings. We specialize in providing ODM/OEM customization services for B2B clients, ensuring every black flush door hinge meets customer specifications. The embedded design seamlessly aligns the door panel with the frame, creating clean and fluid visual lines, making it an ideal choice for clients seeking both spatial aesthetics and practical functionality. For further information, please contact us.

Product Overview
Product Name	Stainless Steel 316 Black Ball Bearing Bifold Door Flush Hinge OEM Factory-DDSS027
Product Model	DDSS027
Size	101.6×73.5×2.5mm          100x75x2.5mm
Material	Stainless Steel 201, 304 or 316
Fitting	Flat tip, ball bearing, fix pin, screws
Finish	Satin stainless steel, Polished stainless steel, Polished brass, Chrome-plated(polish chrome plate&satin chrome plate), Antique brass, Antique copper, Matt black,   Physical Vapor Deposition
Color	Silver,Black, Golden, Antique Brass, Antique Copper
Suitable for	Wooden door, Metal door, Steel door , Fire rated door

Packaging & Shipping
MOQ	500 Pieces
Package	One pair/white box or color box or   Blister card in Standard export carton
Sample time	5-7 working days
Production lead time	30-35 days
Shipping Port	Jiangmen , China   / Shenzhen ,   China .

Product Highlights

Modern texture

This black flush door hinge features a fine matte black surface finish, presenting a low-key yet sophisticated texture. With uniform and long-lasting color, it perfectly complements modern minimalist interior designs, adding refined details to the space.

Smooth experience

Equipped with a built-in precision ball bearing structure, it ensures smooth and effortless door opening and closing. Even with long-term high-frequency use, it maintains stable performance, effectively reducing noise and enhancing the user experience.

Sturdy and durable

Made of 316 stainless steel with excellent corrosion resistance, the 2.5mm thickened plate ensures a sturdy product structure and outstanding load-bearing performance, meeting the long-term usage requirements for various folding doors.

Save space

The embedded design ensures the door leaf and frame align perfectly, maximizing space savings during installation. It is particularly suitable for narrow passages and compact space designs while maintaining an aesthetically clean and neat visual effect.

Easy to install

The meticulous structural design ensures a simple and efficient installation process. Clear positioning references and standardized hole layouts enable construction personnel to complete installations swiftly, enhancing work efficiency.

                                                                                                                                                                                                                                          

Product Features and Advantages

Precision Bearing System

This black flush door hinge features a high-quality ball bearing design, which significantly reduces the friction coefficient through a precision steel ball rolling mechanism. Compared to traditional hinges, it offers smoother and more effortless opening and closing, effectively prevents wear caused by friction, and significantly extends the service life.

Premium Material Selection

We selected 316 stainless steel as the base material, whose unique corrosion resistance makes this black flush door hinge particularly suitable for high-humidity environments. Compared to ordinary stainless steel, it exhibits a longer service life and lower maintenance costs in coastal and damp environments.

Surface treatment process

The matte black surface undergoes a multi-layer electroplating process, ensuring uniform coloration and strong adhesion. The fine-textured surface not only effectively conceals minor scratches from daily use but also offers a comfortable touch and easy cleaning and maintenance.

Structural Design Innovation

The product features a precisely engineered mechanical design, ensuring optimal load-bearing performance while maintaining minimal thickness. The concealed bearing structure and precision-matched components guarantee stable performance during prolonged use.

                                                                                                                                                                                                                                             

Application 

High-end hotel rooms

Use this black flush door hinge in star-rated hotel rooms, and its flat installation effect can keep the indoor space simple and beautiful. The smooth opening experience brings high-quality feelings to the guests, and the durable features meet the needs of high-frequency use in the hotel.

Commercial office space

Suitable for folding partition doors in office buildings, the embedded design of black flush door hinge makes the space separation more flexible. The matte black texture complements the modern office environment and shows a professional image.

Medical and health institutions

In hospitals and clinics, the easy-to-clean surface of this black flush door hinge can meet the hygiene requirements. Stable performance ensures the normal use of the door and provides convenience for medical staff and patients.

Retail display space

In shopping malls and specialty stores, black flush door hinge used for display cabinets and partition doors can maintain the integrity of spatial vision. Exquisite appearance enhances the sense of quality of commercial space.

Educational institutions and facilities

Used on the doors and windows of schools and training centers, its durability can withstand frequent use. Safe design to avoid accidental pinch injury, suitable for public use.

Catering service place

Suitable for folding partitions in dining rooms, the corrosion resistance of black flush door hinge can resist the humid environment in the kitchen area and keep it beautiful for a long time.

                                                                                                                                                                                                                                                

Installation and Usage Guide

Preparation Before Installation

Confirm that the door leaf and door frame dimensions match, and inspect the flush door hinge components for completeness. Prepare the necessary tools for installation, including screwdrivers, measuring tape, and a pencil. Clean the installation area to ensure a smooth and dust-free surface.

Precise positioning

Determine the installation positions based on the design drawings and mark the hole locations on the door leaf and frame with a pencil. Ensure the installation positions of multiple flush door hinges remain level and evenly spaced as required.

Fixed installation

Place the black flush door hinges at the marked positions and secure them initially with the provided screws. Install the door frame first, followed by the door leaf, ensuring the hinge plates are accurately aligned.

Adjustment testing

After completing the initial fixation, conduct an opening and closing test. Check whether the door leaf operates smoothly, and adjust the screw tightness as needed. Ensure the door leaf remains stable at all positions.

Final inspection

Confirm that all screws are tightened in place, then test the functionality again. Clean the installation site to ensure the surface of the black flush door hinge is free of scratches and clean.

                                                                                                                                                                                                                                

Purchaser Value

Enhance project quality

Selecting this black flush door hinge can significantly enhance the overall quality of the project. Its refined appearance and stable performance elevate the door and window system to a higher professional standard, boosting the project's market competitiveness and earning greater trust from buyers.

Optimize the user experience

The product's exceptional smoothness and quiet design significantly enhance the user experience. Whether in commercial or residential projects, this attention to detail allows end-users to perceive the difference in quality, building a strong market reputation for purchasers.

Reduce maintenance costs

The selection of 316 stainless steel material and the precision-bearing structure ensure the product's long service life. This means buyers can significantly reduce post-sales maintenance investments, lower long-term operational costs, and achieve better returns on investment.