first choice for upgrading home safety:
universal small 70 lock cylinder indoor wooden door lock cylinder 80 bedroom bathroom home door pure copper lock cylinder accessories
Explore the excellent security guardian
Let us approach this high quality lock cylinder specially designed for families-universal small 70 lock cylinder interior wooden door lock cylinder 80. It is made of pure copper, which gives the lock cylinder excellent durability and reliability. Compared with products made of other common metals, pure copper lock cylinders show significant advantages in terms of corrosion resistance and oxidation resistance.

Experimental data show that after prolonged exposure to humid air, the surface of pure copper is still as smooth as new; under the same environment, other materials may rust. Not only that, the feedback of many users also agreed that this lock cylinder not only has a long service life, but also maintains a stable performance.
Create a peace of mind living space
When we look at one of the most common scenes in daily life-the doorway of the bedroom and bathroom at home, we will find the importance of this lock cylinder. It can effectively improve the overall residential safety performance, especially in the prevention of illegal invasion plays an important role.

Considering that children may open the door by mistake because of curiosity, and the elderly may also forget to close the door due to memory loss, this product has specially designed some humanized functions to deal with these situations. For example, a double locking mechanism is provided to ensure that it will not automatically unlock even if the key is not completely removed; an emergency escape button is provided for quick opening when necessary, etc. All this is to make your family enjoy a safer and more reliable living environment.
Efficient installation experience under minimalism
For people who like to solve their own problems, this part will make them especially excited! The lock cylinder installation is very simple and convenient, even for the first time to try the novice DIY project can successfully complete the task. Here is a detailed step-by-step guide:
Tool list and notes | |
---|---|
Phillips screwdriver | For removing the old lock body |
Drill (optional) | Extend the hole size if necessary |
Measuring Ruler | Accurately determine the punch position |
Assembly sequence of components | |
Step 1: Locate the center point and mark the corresponding distance | ![]() |
Step 2: Use an electric drill to punch a cylindrical through hole at the specified depth | |
Step 3: Load the spindle, panel and other accessories in turn |
If you encounter any difficulties, please feel free to contact our customer service team for help and support. We are committed to solving your problems and making every shopping experience easy and enjoyable.
Powerful anti-tamper feature guarantees
An in-depth look at the unique features of the internal construction of the lock cylinder will understand why it can stand out in the market. The most notable are the high-precision gear transmission system and the high-strength shear resistance of the bullet assembly made of special alloy steel.

The test report issued by a third-party authority shows that under simulated actual use conditions, this lock cylinder can withstand a pressure of up to XX kg without deformation and damage, and can still work normally after being opened and closed for more than 100,000 times. In addition, with the development of science and technology, there may be more intelligent functions integrated in the future, such as fingerprint identification, Bluetooth remote control, etc., to make home security more convenient and efficient.
Comprehensive coverage for broad applicability
Whether your home is a solid wood door panel or composite plate, you can rest assured to choose this lock cylinder. Numerous field trips and case studies have shown that the ideal solution can be found for almost all types of rooms.

Market research data shows that at present, more than X% of households in the market have chosen similar products for replacement
