security lock
The first choice is a special anti-theft lock that has passed the inspection of the public security department. At the same time, the lock should be protected by a steel plate with a thickness of more than 3.0 mm.
Steel material
The material of the security door should be steel, the thickness of the door frame steel plate should be above 2 mm, the thickness of the door body should be above 20 mm, and the door body steel plate should be above 1 mm, and the overall weight should be not less than 40 kg. As a filler, steel bars or asbestos can play the role of anti-prying and sound insulation.
Multipoint lock
Anti-theft lock is the core security function of anti-theft door, so choose multi-point lock with good security and anti-pick performance.