Which five gold does door and window hardware refer to?

Handle:

Used to open and close metal window sashes. It is generally installed in the middle of the edge of the window sash, and some are also designed as a mechanism that connects the door and window hardware with the bolt. It is mostly made of brass, low carbon steel, zinc alloy, stainless steel and other materials, and the surface is plated with nickel, chromium or zinc.

Sliding support:

is used to position the opened metal window sash. It is generally installed on the lower edge of the window sash, and some are also designed as a mechanism for use with the hinge. It is mostly made of brass, low carbon steel, zinc alloy, stainless steel and other materials, and the surface is plated with nickel, chromium or zinc. Varieties include eye brace, double arm brace, rocker brace, mobile brace and so on.

Hinge:

Also known as hinge. It is the connecting piece of door and door frame, window and window frame, which can make the door and window rotate freely to open and close the door and window hardware. The hinge is formed by connecting the blade and the pin shaft. The blades are punched with low-carbon strip steel and can rotate freely around the pin shaft. The pin is made of low-carbon cold drawn steel wire or spring steel wire. Hinge varieties include ordinary hinges, spring hinges and window hinges.

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