What level to buy for general household security doors

Updated on Security door 2024-03-26
1 answers
  1. Anonymous users2024-01-23

    A, B, C and D are available, different grades and different prices, if you require a good grade A or B, and if you require an affordable grade, you will have a grade C or D.

Related questions
4 answers2024-03-26

The full name of the anti-theft door is the anti-theft security door, and the anti-theft level of the anti-theft door is divided into: A, B, C, D. The national standard for anti-theft doors has relevant provisions on lock cylinders, deadbolts, marks, etc., and anti-theft doors can be classified according to door type and surface material. >>>More

10 answers2024-03-26

The real anti-theft door is about four or five hundred yuan, and most of the cheapest ones are fakes Distinguish the anti-theft door: in addition to the anti-theft door on the market, there are steel doors, anti-pry doors, security doors, armored doors, etc., the so-called real D-level anti-theft doors must be tested by the statutory testing institutions, China's only anti-theft door standard is the GB17565-1998 "General Technical Conditions for Anti-theft Security Doors" formulated by the Ministry of Public Security in 98, which clearly points out that one of the main standards for anti-theft doors is the abnormal opening time of the anti-theft door is 15 minutes, In other words, the door cannot be broken within 15 minutes by using ordinary tools such as chisels, screwdrivers, and crowbars, and portable power tools such as hand drills""Security door""In addition, another standard for the anti-theft door is the thickness of the façade "=, the thickness of the iron sheet of the door frame" =.

2 answers2024-03-26

This security door key is a relatively high-level hybrid lock cylinder.

4 answers2024-03-26

The D-level anti-theft door is the thinnest relative to the plate, and the anti-vandalism opening must be worse than the first-class door, but if the lock reaches the super B level, the anti-technology opening and function are still very powerful, such as Wang Lihuajue's automatic lock.

1 answers2024-03-26

It is recommended that you still do not use the D grade, because after all, the materials are there.