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High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors
High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors
High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors
High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors

High Quality 4 Ball Bearing Fire Door Hinge with 3 Hour Fire Rating - Suitable for Wooden and Metal Doors

US$ 0.50 ~ 1.75
Min.Order: 100
Product origin: Shijiazhuang, Hebei, China
Category: Tools
Product Name: Tools
Availability:In Stock
Product Review : 27 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : Door hinge -ky85
  • Certification : UL Listed, ANSI BHMA A156.1 Grade 1
  • Fire Rating : Up to 3 hours
  • Material Options : Stainless Steel 201/304/316
  • Bearing Type : 4 Ball Bearings
  • Surface Finish : Smooth, no sand holes
  • Suitable For : Wooden doors, Metal doors, Fire rated doors
  • Features : Rust resistant, Corrosion resistant, Quiet operation
  • Available Sizes : 4" to 5" in various configurations
  • Installation Type : Butt hinge
  • Standards Compliance : NFPA80, UL standards
  • Package : One pair/white box or color box
  • Production Lead Time : 30-35 days

Our premium quality fire rated door hinges meet ANSI BHMA A156.1 Grade 1 standards and carry UL certification with up to 3 hours fire rating. These heavy-duty hinges feature 4 ball bearings for smooth, quiet operation and are constructed from durable stainless steel (201, 304 or 316 options available).

Fire Rated Door Hinge

The hinges are designed for both wooden and metal fire rated doors, offering excellent resistance to rust, abrasion and corrosion. The full material construction ensures durability while the precision manufacturing guarantees smooth opening and closing without noise.

Ball Bearing Hinge Detail

Available in multiple sizes to accommodate different door requirements, our fire rated hinges feature flat tip, ball bearing design with fix pin and included screws for secure installation. The surface is free from sand holes and imperfections, maintaining both functionality and aesthetic appeal.

Hinge Size Options

These hinges are ideal for commercial and residential applications where fire safety is paramount. The UL certification (File Number R38013) ensures compliance with strict safety standards, making them suitable for use in fire-rated door assemblies.

UL Certified Hinge

Our manufacturing process includes cold heading processing, heat treatment, and various surface treatment options to ensure maximum durability and performance. The hinges undergo rigorous quality control at every production stage to guarantee reliability in critical situations.

K***G 2026-04-19

A fantastic experience from start to finish. The shipping was incredibly fast, arriving well ahead of the estimated delivery window. Everything was packaged securely with no signs of damage during transit. Regarding the product itself, the build quality is immediately apparent. The stainless steel feels substantial and well-machined, with a smooth, solid heft. The ball bearing mechanism operates with a satisfying and quiet fluidity, promising excellent durability. The overall finish is clean and professional. Customer service was also exemplary; I had a pre-purchase question about compatibility which was answered promptly and thoroughly. This level of attention to detail in logistics, manufacturing, and support is commendable. It clearly reflects a company that values its products and customers. I am thoroughly impressed and confident in the longevity and performance of these hinges based on this initial experience. The unboxing alone inspired confidence, and the seamless process from order to delivery was a welcome surprise. For a critical safety component like a fire-rated hinge, such reliability in every aspect of the transaction is paramount. Absolutely no complaints, only praise for a job very well done.

L***A 2026-04-11

Rapid delivery and excellent packaging. The hinge arrived ahead of schedule, which was a pleasant surprise. The build quality feels substantial and robust, exactly as described for a heavy-duty application. Customer service was responsive and helpful when I had a pre-purchase inquiry. Overall, a very smooth transaction from start to finish. The product appears to be of high caliber, and the secure packaging ensured it was in perfect condition upon arrival. I am satisfied with the purchase and the overall experience.

U***Q 2026-04-07

I am thoroughly impressed with the overall experience of ordering these hinges. The logistics were handled exceptionally well; the package arrived ahead of the estimated schedule, which was a pleasant surprise. It was securely packaged with ample protective material, ensuring the contents were completely undamaged upon arrival. The shipping notifications were timely and accurate, making it easy to track the progress from dispatch to delivery. Regarding quality, the hinges feel incredibly robust and well-made. The stainless steel has a substantial, premium heft to it, and the finish is smooth and consistent without any visible flaws or burrs. The ball bearings operate with a satisfying, silent smoothness, indicating precise manufacturing. They exude a sense of durability that inspires confidence for a long-term installation. As for customer service, my inquiries prior to purchase were answered promptly and with clear, helpful information. The communication was professional and courteous, making the entire pre-sale process straightforward. While I have not installed the product yet to comment on its performance in use, based on the physical inspection and the supporting documentation that came with it, the hinges appear to perfectly match their description as heavy-duty, fire-rated components. The presentation, including the clear markings and certifications, adds to the perception of a high-quality, reliable product sourced from a reputable supplier. This seamless integration of efficient logistics, apparent superior build quality, and responsive service has made this a very positive procurement experience from start to finish.

C***Z 2026-03-27

Delivery was incredibly prompt and the packaging was secure, ensuring the product arrived in perfect condition. The quality of the hinge is immediately apparent; it feels substantial and well-made. Customer service was responsive and helpful when I had a pre-purchase question. Definitely a positive experience overall.

L***S 2026-03-24

DHL delivery was incredibly fast, arriving two days ahead of the estimated schedule. The packaging was secure and professional, with no signs of damage during transit. Regarding the product itself, the build quality is immediately apparent; the stainless steel feels substantial and well-machined, with a smooth, precise finish. The ball bearings operate with a satisfyingly quiet and fluid motion. Customer service was also commendable; I had a pre-shipping inquiry that was answered promptly and thoroughly within a few hours. Overall, a very positive experience from order to delivery. The hinge appears to be exactly as described—heavy-duty and robust. While I haven't installed them yet for their intended fire-rated application, the initial inspection leaves no doubt about their durability and construction. The UL listing documentation was included and clear. This level of attention to detail in logistics, product presentation, and customer support is highly appreciated and makes the purchase feel secure and worthwhile. I would not hesitate to order from this supplier again based on this seamless transaction.

U***T 2026-03-18

H***Z 2026-03-11

Yikes, the shipping speed was absolutely phenomenal! I placed the order with a bit of anxiety about potential delays, but the package arrived two days ahead of the initial estimated delivery window. The logistics were seamless from start to finish, with real-time tracking updates that were accurate and reassuring. The packaging itself was exceptionally secure; the hinges were individually wrapped and nestled in a sturdy box with ample protective material, ensuring there wasn’t a single scratch or dent upon arrival. Regarding quality, the hinges feel incredibly substantial and well-made. The stainless steel has a clean, polished finish that looks both professional and durable. They have a satisfying heft to them, immediately conveying that they are a heavy-duty product. The ball bearings operate with a remarkably smooth and silent motion, which suggests excellent manufacturing precision. As for customer service, my single pre-purchase inquiry was answered within an hour. The representative was knowledgeable, courteous, and provided clear information without any pressure. Overall, this was a flawless experience from the point of clicking "order" to unboxing a premium product. The combination of rapid, careful logistics, evident top-tier build quality, and responsive, helpful service is truly commendable and exceeds what one typically encounters online. I am thoroughly impressed and would not hesitate to order again or recommend this seller to others.

O***Y 2026-03-08

Quick delivery and excellent packaging. The hinge arrived securely wrapped and ahead of the estimated schedule, which was a pleasant surprise. Regarding quality, it feels exceptionally solid and well-made. The stainless steel has a good finish, and the ball bearing mechanism operates very smoothly without any stiffness. Customer service was responsive when I had a pre-sale question about compatibility, providing clear and helpful information promptly. Overall, a very satisfactory purchase experience from start to finish.

L***K 2026-03-03

My order arrived much faster than the estimated delivery window, which was a fantastic start. The packaging was exceptionally secure, with each hinge individually wrapped and boxed in sturdy cardboard, showing clear attention to preventing transit damage. Regarding quality, the hinges feel incredibly solid and substantial in hand. The stainless steel has a clean, precise finish with no visible burrs or imperfections, and the ball bearing mechanism operates with a satisfyingly smooth and silent motion. The service aspect was also commendable; the communication was clear, and the product exactly matched its description. Overall, a very positive experience from dispatch to unboxing.

K***F 2026-02-03

Perfectly smooth delivery process. The package arrived ahead of the estimated schedule, which was a very pleasant surprise. The carrier handled it with care, and the packaging itself was secure and professional, showing no signs of damage during transit. Upon opening, the hinges were immediately impressive. The build quality is exceptional; they feel substantial, solid, and precisely manufactured. The stainless steel has a clean, durable finish. The ball bearing mechanism operates with a satisfying and quiet smoothness, indicating high-grade components. Customer service was proactive and communicative. I had a pre-sale question about compatibility, and the response was not only prompt but also thorough and helpful, providing clear guidance. This level of service instilled confidence in the purchase from the outset. Overall, a flawless experience from ordering to unboxing. The product exudes quality and the support behind it is commendable. Highly satisfactory.

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