Box shear machine, also known as a squaring shear or a sheet metal shear, is a machine tool used to cut and shape sheet metal into various sizes and shapes. The box shear machine consists of a cutting blade that moves vertically or horizontally along a fixed blade, creating a shearing action that cuts the metal. The machine can cut straight lines, curved lines, and angles, and can be used to produce a variety of products, such as brackets, panels, and enclosures. The machine can also be used to trim excess material from metal sheets or to create clean, precise edges. Box shear machines come in various sizes and can be manually operated or computer-controlled for greater precision and efficiency. It is important to follow proper safety procedures when operating a box shear machine to avoid injury or damage to the equipment.