Well-selected, durable

This American zinc alloy door lock uses a high quality zinc alloy material, which has excellent corrosion resistance and wear resistance. Zinc alloy is a kind of material widely used in high-end hardware products. It has high density and strength, and can maintain stable physical properties in harsh environments. We conduct rigorous material testing to ensure that every door lock can withstand the test of time and environment. The following is a screenshot of some material test reports:

Heavy-duty three-pole design, safety guarantee

One of the biggest highlights of this door lock is its heavy-duty three-bar design. Traditional single-bar or double-bar door locks are easily deformed or even damaged in the face of strong prying, while the three-bar design significantly enhances the overall stability of the door lock. When the door lock is closed, the three lock rods will simultaneously extend into the preset holes of the door frame to form a three-point lock, which greatly improves the anti-pry and anti-theft capabilities of the door lock. The following figure shows the performance difference between traditional door locks and three-bar door locks when impacted by external forces:

Adjustable plating handle to adapt to a variety of door types

Considering that the thickness of doors in different families may vary, this door lock is equipped with an adjustable electroplating handle. With a simple knob adjustment, you can easily adjust the position of the handle to make it perfectly suitable for various door thicknesses. We provide detailed diagrams of the adjustment steps and operating videos to ensure that every user can easily complete the process. The following is a schematic diagram of the specific steps to adjust the handle:

Fine polishing, beautiful and generous

In addition to being sturdy and durable, this door lock also has a lot of work on its exterior design. The surface adopts advanced electroplating treatment process, which makes the whole door lock look bright as new and feel delicate. Whether it is modern minimalist style or classical luxury style home decoration, this door lock can be perfectly integrated. The following are photos of the door lock taken from different angles, showing its exquisite appearance design:

Easy installation, saving time and effort

In order to facilitate user installation, we have designed a simple and quick installation process. All the accessories and tools included are very complete, and users only need to follow the steps on the manual to complete the installation smoothly. We also provide a detailed installation video to give users a more intuitive understanding of the entire installation process. Here is a partial screenshot of the installation steps:

Intelligent debugging, accurate and in place

After the installation is complete, you may need to make some fine-tuning of the door lock to ensure its smooth operation. We provide detailed debugging guidelines, including door gap adjustment, handle position adjustment, etc. Through actual cases and user feedback, we can see that the door lock after debugging is very effective, and there is almost no stuck or loose situation. The following is a comparison chart provided by some users before and after debugging:

Multiple Certification, Quality Assurance

As a high quality door lock, this product has obtained a number of international certifications, including CE certification and ISO certification. These certifications are not only a recognition of the quality of our products, but also an important capital for us to compete in the market. We regularly conduct third-party testing to ensure that every door lock can meet the