Anti-theft link

handle:

Installed on the door leaf of the building to open the door leaf. Generally, the installation is outside the door leaf of a building, and it is required to be practical, sturdy, and able to play a decorative role. The handle has various shapes such as round handle, square handle, round tube handle, double row handle and so on. It is generally made of low-carbon steel, stainless steel, aluminum alloy, and plexiglass.

Bolt:

is used to latch doors and windows when they are closed. There are common type, closed type, tube type, butterfly type bolt and concealed bolt, upper and lower continuous bolt, flip window bolt and other forms. It is mostly made of low carbon steel.

Window hook:

Installed on the wooden window to fix the opening sash. It is generally made of low-carbon steel wire, and the surface is galvanized.

Anti-theft chain:

Also known as the safety chain. It is composed of two chain plates and a connecting chain. The chain plates are respectively installed on the door leaf and the door frame. The anti-theft chain can limit the door leaf to a small opening angle (generally no more than 8°), effectively preventing outsiders from entering.

Induction door opening device:

An electronic device used to automatically open the door leaf. The main components are microwave induction or light control induction contacts. It can automatically input the human body or object's induction signal, so that the door leaf can be opened or closed automatically. Generally used with automatic doors and transmission machinery.

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