What anti-theft door lock core is a good introduction to the purchase skills of anti-theft door lock core?

The emergence of anti-theft door locks has become a security guarantee for the privacy of thousands of households. Especially the entrance door, its security is the focus of purchase and consideration. The lock core of the security door is the most important one. So, what security door lock core is good? Next, I will give you a good introduction about the lock core of the security door. Let's take a look at it below, hoping to help you.

First, what kind of security door lock core is good?

1. Doreen: Doreen is a sub-brand of the international commercial brand E-MARKS Group. The technical force comes from the professional knowledge and system theory of DHI members of American hardware professional organization. The price of anti-theft door locks is generally around 200 yuan.

2. Sheng Qun: The special brand of China Shengqun Group is committed to building a global hardware operator, a well-known trademark in China, a leading brand in the industry, a large-scale residential supplier and a drafting unit of national environmental protection standards.

3. Xinduo: People-oriented, quality first, operating China in good faith. The brands are Xindu Group Co., Ltd., China well-known trademark, top ten brands of security doors, Zhejiang famous trademark, Zhejiang Yongkang.

4. Meribao: Zhejiang Meribao Lock Industry Co., Ltd. is a professional lock cylinder manufacturing enterprise integrating R&D, production and sales. The design and production of its super B-class lock have a high response in the domestic market. The general price of anti-theft door locks is around 80-200 yuan.

5. Pan Pan: This company was founded in 1990s, and it is the representative of the security door industry in China. Bian Xiao grew up listening to Pan Pan Arriving Home, Living and Working.

6. Steven: The famous core brand of anti-theft door locks in Europe occupies a large part of the European mainland market. The development of this logo is the guiding principle of the industry. The products mainly focus on the high-end market, and the price of pure copper lock core for security doors is generally around 500 yuan.

Second, the anti-theft door lock core purchase skills

1. Select two lock cylinders on the security door, one for each lock cylinder. The heavier the weight, the better the quality of the lock core. The more beads in the lock core, the better the anti-theft function.

2. Look at the "teeth" of the security key. The more teeth, the deeper the teeth, the more complicated the arrangement, the more difficult it is to open, and the better the anti-theft performance. Within the allowed length, the standard lock cylinder can be upgraded and replaced with a non-brand standard type. Non-standard lock cores should also be upgraded and replaced with original products of different brands or corresponding models. It can't be upgraded directly with a standard lock cylinder.

3. Choose the lock core of the security door to see the color, and compare the color and design to see the workmanship. The lock core is plated with quality, smooth surface and bright color. Among them, the color is dark yellow, the copper core is firm, the anti-theft performance is good, the lock core is dim, the color is gray, and the foam is zinc alloy, which has good anti-theft performance and is average.

4. Insert the safety door key into the lock cylinder. The anti-theft performance of the card is very poor. After the key is inserted halfway, turn it clockwise or counterclockwise for 5 to 7 minutes, and then continue to press the key to enter the lock. The key of the card represents the lock cylinder. Poor performance, smooth insertion of the lock core in the semi-rotating state, and good anti-theft effect.

The above is what we bring to you about a good lock core for security doors.