A "flat bar" is a type of metal bar that has a flat surface and is typically rectangular in shape. It is commonly made from materials like steel or aluminum and is used in various construction and manufacturing applications. Flat bars can be found in different thicknesses and widths, making them versatile for tasks such as framing, supports, and brackets. Flat bars are often used in welding and fabrication projects due to their ease of handling and cutting. They can also be used in the creation of furniture, railings, and other structural components. Their flat design allows for easy attachment to other materials, enhancing their utility in various settings.