a cup brush is a type of cleaning tool that is commonly used for removing rust, paint, scale, and other stubborn deposits from surfaces. it consists of a circular brush head with bristles arranged in a cup shape, attached to a handle or a power tool.
the cup brush is available in various sizes and materials to suit different applications. the bristles are typically made of steel wire, stainless steel wire, brass wire, or nylon bristles, depending on the intended use and the type of surface being cleaned.
to use a cup brush, it is usually attached to a handheld power tool such as an angle grinder or drill. the rotating action of the power tool combined with the abrasive bristles allows for efficient and effective cleaning. cup brushes can also be used manually by attaching them to a handle for hand-held scrubbing.
the cup shape of the brush head allows for better access to curved or contoured surfaces, making it useful for tasks such as cleaning welds, preparing metal surfaces for painting or coating, and removing rust or corrosion from pipes or machinery.