Why choose zinc alloy material door lock
As a high-quality metal material, zinc alloy is widely used in various high-precision products due to its excellent corrosion resistance and long service life. Zinc alloy door locks are not only elegant in appearance, but also sturdy and durable. They can maintain good performance in humid environments for a long time. They are ideal for home protection. In addition, zinc alloy has good plasticity, easy to manufacture and form complex precision parts, so that each process can achieve the ultimate meticulous standards.

The Unique Features of Anti-plug Single-tongue Lock
this zinc alloy anti-plug single tongue lock is specially designed with anti-plug function, which can effectively prevent the illegal opening of the door lock caused by external objects inserted into the lock cylinder. Its unique single-tongue structure and high-strength spring automatically pop out when closed to ensure that the door leaf fits closely, which greatly improves the safety factor of the door lock. Compared with traditional double-tongue or multi-tongue door locks, this product not only has a simpler and more compact structure, but also greatly reduces the possibility of failure.
Accurate matching, suitable for various door types
Whether it is a solid wood door, composite door or security door, this door lock can be perfectly adapted. Its flexible installation scheme allows users to adjust the position of the lock body according to actual needs to achieve seamless docking with the door frame. No technical support is required during the installation process, and all accessories included with the box have been carefully selected to ensure that every installation can be completed smoothly.

Safety and convenience
While pursuing the highest level of security, we also take into account the user's daily experience. This door lock is extremely easy to operate, and even children can easily master the method of opening and closing the door. The inner side is equipped with an emergency knob. Once a special situation occurs, the escape can be quickly unlocked from the inside, which greatly improves the safety of living.
Details determine quality
Every detail has not been overlooked. The surface of the lock body is specially polished, and the hand feels fine and smooth, without any sharp corners that may cause accidental injury. Every time you turn the key, the sound is crisp and sweet, giving you a sense of psychological comfort. These seemingly insignificant designs reflect our ultimate pursuit of product quality.

User evaluation: the power of real feedback
Since its launch, this zinc alloy anti-plug single tongue lock has been highly recognized by the majority of users. Many consumers said that this door lock is not only easy to install, but also very reliable to use. In particular, its anti-plug function brings real security protection to the family. Of course, a small number of users have put forward valuable suggestions for improvement. We will continue to work hard to continuously optimize product performance and better serve every customer.
Maintenance Guide
In order to extend the service life of the door lock, regular cleaning and maintenance is very necessary. It is recommended to wipe the lock surface with a clean soft cloth at least once a month to remove dust and stains. Avoid contacting the lock with corrosive chemical solvents. If it is not used for a long time, a small amount of lubricating oil can be dropped into the keyhole to prevent the occurrence of jamming.
Detailed installation steps
In order to make the installation smooth for every customer, we provide a detailed graphic installation guide.
- First, measure the thickness of the door panel and determine the installation position of the lock body.
- Mark the drilling position according to the instructions and carefully drill the hole.
- Fix the lock body on the inside of the door body, keeping it horizontal.
- Install the handle and matching screws and check for stability.
- Finally, test whether the door lock switch is smooth and confirm that it is correct.

Choose us and enjoy worry-free service
We promise to buy this door lock with a quality warranty of up to two years. During the period, if there are quality problems caused by non-human factors, they can be repaired or replaced for free. In addition, we have also set up a special service hotline to answer your questions online around the clock, so that you can shop without worry.
Limited time offer, don't miss it
In order to thank the vast number of consumers for their love, we are launching a limited-time discount campaign. From now until the end of this month, customers who buy this zinc alloy anti-plug single tongue lock can enjoy a discount of 8.5. Limited quantity, first come, first served, hurry up!