As the building door and window industry continues to upgrade, engineering projects have increasingly higher requirements for door and window hardware. Although a small component, friction hinges directly affect the safety, stability, and long-term user experience of windows.
When choosing a window friction stay hinge supplier, the key factors are strength, quality, suitability, and service. As a professional supplier, 3H Hardware combines deep technical expertise, a full product range, and comprehensive after-sales support, meeting the strict standards of engineering bulk procurement while also catering to the personalized needs of home renovations.In summary, whether you are an engineering purchaser or a homeowner, 3H Hardware is a trustworthy first-choice supplier of window friction stay hinges, ensuring the safety and durability of your windows and doors.
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What are some bathroom hardware brands? Here, the author recommends 3H Hardware. With years of deep expertise in the hardware industry, 3H focuses on the R&D and manufacturing of high-end bathroom hardware.
Explore the 120-series windows paired with the Heyun 3HM1tilt and turn window system – Winner of the 12th AT World Architecture Design & Technology · Polaris Award.
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ZDM03
3H INC.
Item No. | ZDM03 Bi-fold Door |
Size | / |
Application | Bi-fold Door |
Load Bearing | 80 KGS for one sash |
Material | Aluminum alloy, plastic, stainless steel |
Surface Treatment | powder coating etc. |
Color | Optional |
Components | screws |
Function | durable,easy-installation,smooth-operation |
Specification

Product Description
1.Applicable to balconies, shopping malls. Large opening area.
2.Hidden crane rail bearing, flexible and light, easy to clean and maintain.
3.The signal door maximum width 800mm, maximum height 2400mm, maximum bearing single fan is 80KG.
4.The system has 330, 431, 550, 651, 633 and many configurations.
5.The flush bolt’s length should depend on the door height and using demands.
FAQ
Q:What is 330,431,550,651,633 types configurations?
A:330 type is : there are three door sashes including 3 folding door sashes and 0 casement door sash;
431 type is : there are four door sashes including 3 folding door sashes and 1 casement door sash;
550 type is : there are five door sashes including 5 folding door sashes and 0 casement door sash;
651 type is : there are six door sashes including 5 folding door sashes and 1 casement door sash;
633 type is : there are six door sashes including 3 folding door sashes and 3 casement door sash.
