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GGD-1

Features ● Material: zinc-alloy lock cylinder, key, galvanized steel pull-box, and lock plate ● Surface treatment: color-zinc plating ● Applicable door panel thickness: 1.5–3 mm Material ● Zinc alloy Surface treatment ● Electroplating

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　　As the name suggests, a door lock is a device used to secure a door and prevent unauthorized entry. Door locks come in many varieties, and the requirements for them vary depending on the application. In typical households, anti-theft door locks are commonly used because they offer high security at a relatively affordable price. A security door lock serves as a critical safeguard for household property; therefore, its primary feature is robust anti-theft performance. Today, high-quality security door locks are predominantly made from steel rather than the cast iron of the past, providing exceptional wear resistance and enhancing home security. Security door locks are classified according to their anti-theft ratings, so it is advisable to choose one with a higher rating whenever possible. The material of the lock is closely linked to its durability; when purchasing, be sure to ask the retailer what materials were used—for example, pay attention to the differences between cast iron and steel. Steel boasts greater hardness and strength than cast iron, making it much more difficult for burglars to saw through, thus offering superior security.