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Anonymous users2024-01-241. All first, look at the material, the thickness of the door frame steel plate should be more than 2mm, the thickness of the door body should be more than 20mm, the thickness of the door body steel plate should be more than 1mm, the overall weight should not be less than 40kg, and there should be reinforced steel bars and asbestos fillers. It is possible to remove the cat's eye and inspect the internal structure.
Second, look at the process, the door leaf should be dense with the door frame, the gap is uniform, the opening is flexible, the solder joints are uniform and dense, the surface of the door panel needs to be treated with anti-corrosion, the finish is high, there is no rough blistering, the knocking sound is stuffy, and the feel is stable.
Third, choose good hardware. Let's look at the anti-theft lock first, the anti-theft lock is divided into a single-point lock and a multi-point lock. The multi-point lock has better anti-pry performance, generally protected by more than 3mm steel plate, and the opening of the dismantling edge should be welded firmly, or stamped as a whole.
The corresponding parts of the main lock transmission device and the lock body should have protective measures such as anti-drilling steel plate or anti-drilling sleeve. Looking at the hinge again, the diameter of the hinge shaft is greater than 12mm, and the closed edge of the steel plate rolled hinge should be welded.
Fourth, look at the usage. When opened, the lock cylinder should be easy and flexible, without jamming. In the process of opening the door at 90 degrees, it should be flexible and free, without jamming and abnormal noise, and when a good anti-theft door is opened, the door leaf will not collide with the door frame and make a sound.
In addition, the security level of the security door is the highest level C. B is second, and A is the lowest. Grade A for home use is sufficient.
First of all, consumers should ask the seller to present the test qualification report of the relevant department when purchasing. The regular security door is marked with FAM, and the product packaging will indicate that the implementation standard is GB17565-1998. Marked with other implementation standards is the metal door, these products are playing "edge ball", avoiding the country's strict regulations on anti-theft doors, according to the enterprise standards of their own production. >>>More
Class A: It is the original unsafe lock cylinder, the key is flat, only a single-sided single-row bullet slot, including some cross keys, such a lock can be opened in about two or three minutes, and the familiar hand will be faster. >>>More
First, look at the material, the thickness of the steel plate of the door frame should be more than 2mm, the thickness of the door body should be more than 20mm, the thickness of the steel plate of the door body should be more than 1mm, the overall weight should not be less than 40kg, and there should be reinforced steel bars and asbestos fillers. It is possible to remove the cat's eye and inspect the internal structure. >>>More
The following four points should be paid attention to when purchasing an anti-theft door: >>>More
1. Consumers should choose the appropriate anti-theft security door according to the actual requirements of the door opening size, opening direction, color and pattern of the room. >>>More