Many consumers wonder if a防盗门 with more lock points is safer. In practice, experts say that four lock points are sufficient for a防盗门.

The effectiveness of a security door's locking points lies in preventing forced entry, but it is actually the lock cylinder that controls the flexibility of opening and closing these points. Regardless of how many locking points a security door has, there is always only one lock cylinder. Once the lock cylinder is compromised, all locking points can be easily opened. Therefore, for those purchasing security doors, the quality of the lock cylinder is crucial. The lock cylinder is the core of the security lock. Generally speaking, a security door has four locking points – one on each side, top, and bottom – which is sufficient.

Misuse of substandard door locks, many labeled asSecurity DoorThe reason it's easyLost groundMost防盗safety doors produced by manufacturers are often sourced at low prices, leading to the use of substandard locks to save production costs. Many of these locks, bought cheaply from the market, do not meet national standards in terms of the quality of the steel body. Some are not even steel at all, but rather inferior materials like cast iron or steel replicas, which are easily pried open with minimal force.

The more lock points, the higher the price usually goes, but it's not necessarily the case that more lock points mean a better security door. When choosing, don't forget to ask the promotional vendors to clearly provide the grade and specification of the locksets used in the security doors; that's what matters most.