This standard applies to common window types such as casement windows (inward or outward opening), top-hung windows, and bottom-hung windows.
The lock cylinder is the core of anti-theft security and directly determines the lock's protection level. Among residential lock cylinders, C-grade lock cylinders currently offer the highest security and the longest resistance to technical unlocking, making them the preferred choice for families emphasizing theft prevention.
floor spring is a "door closer" hidden within the floor. It not only controls opening and closing but also allows adjustment of the closing speed and force. It holds the door steadily in place, preventing it from swinging uncontrollably in the wind.
Complies with the technical requirements of the national standard GB/T 37267-2018 "General Technical Conditions for Seismic Bracing and Hanging Systems in Buildings". The seismic bracing systems undergo comprehensive testing, including appearance, dimensions and tolerances, coating thickness, load-bearing performance of seismic connecting components, load-bearing performance of pipeline connecting components, cyclic loading performance, fatigue performance, fire resistance, and corrosion resistance.
<p>the sequential door closer ensures the doors close in the "right order," while the door closer ensures they "close properly." Understanding their differences is key to selecting the right components that meet safety standards while enhancing usability.for reliable door control hardware, consider 3H Hardware</p>
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NXC16
3H INC.
Item No. | NXC16A |
Size | / |
Application | Tilt-turn window |
Load Bearing | 120KG/per set |
Material | stainless steel/zinc alloy |
Surface Treatment | powder coating |
Color | Optional |
Components | screws |
Function | durable,easy-installation,smooth-operation |
Specification

Product Description
1. Achieve the inward opening and lower hanging multiple opening functions,thus,the window is flexible to be opened that it has the efficient heat-proof and sound-proof function,which can satisfy the different requirements and make the life colorful;
2. All the transmission part can be operated by the handle,which is easy and comfortable,and make the window, door and wall operate to the consistent interface;
3. Inserted hardware is adopted with the environmental plating process which can let the hardware has high corrosion resistance,and its anti-corrosion neutral salt spray test up to 10 hours;
4. About the appearance,there are 32 kinds of standard color for selecting to satisfy the customers’ different requirement;
5. The multiple level safety design with the standard components,compact structure and clamping structure that can be operated very easy and comfortable;
6. This system is with the durable,reliable,tiny appearance and rich design that can lead the new technical design standard of hardware;
7. The system is suitable for European standard 20 groove.
Item No. | NXC16A |
Size | / |
Application | Tilt-turn window |
Load Bearing | 120KG/per set |
Material | stainless steel/zinc alloy |
Surface Treatment | powder coating |
Color | Optional |
Components | screws |
Function | durable,easy-installation,smooth-operation |
Specification

Product Description
1. Achieve the inward opening and lower hanging multiple opening functions,thus,the window is flexible to be opened that it has the efficient heat-proof and sound-proof function,which can satisfy the different requirements and make the life colorful;
2. All the transmission part can be operated by the handle,which is easy and comfortable,and make the window, door and wall operate to the consistent interface;
3. Inserted hardware is adopted with the environmental plating process which can let the hardware has high corrosion resistance,and its anti-corrosion neutral salt spray test up to 10 hours;
4. About the appearance,there are 32 kinds of standard color for selecting to satisfy the customers’ different requirement;
5. The multiple level safety design with the standard components,compact structure and clamping structure that can be operated very easy and comfortable;
6. This system is with the durable,reliable,tiny appearance and rich design that can lead the new technical design standard of hardware;
7. The system is suitable for European standard 20 groove.
