Aluminum folding door bars and fittings are the hardware components that allow aluminum folding doors to open and close smoothly and securely. The materials needed for aluminum folding door bars and fittings typically include:

.Aluminum extrusions: The main structural components of the bars and fittings are made from aluminum extrusions. These extrusions are strong and lightweight, making them ideal for use in folding doors.
Rollers: Rollers are used to support the weight of the door panels and allow them to slide smoothly along the tracks. Rollers are typically made from nylon or plastic, and they can be either ball-bearing or roller bearings.
.Guides: Guides are used to keep the door panels in track and prevent them from wobbling or derailing. Guides are typically made from aluminum or steel, and they can be either fixed or adjustable.
Hinges: Hinges are used to connect the door panels to the frame. Hinges are typically made from stainless steel or brass, and they can be either concealed or exposed.
.Locks: Locks are used to secure the door panels in place when the door is closed. Locks are typically made from brass or stainless steel, and they can be either manual or automatic.

The benefits of using aluminum folding door bars and fittings include:

.Durability: Aluminum is a very durable material that can withstand the elements and heavy use.
.Low maintenance: Aluminum folding door bars and fittings require very little maintenance.
.Smooth operation: Aluminum folding door bars and fittings operate smoothly and quietly.
.Security: Aluminum folding door bars and fittings can be fitted with locks to provide security.
Customizable: Aluminum folding door bars and fittings can be customized to fit any opening.