Friction Stir Welding (FSW) is a generally utilized strong state joining process for soft materials, for example, aluminium composites since it dodges a considerable lot of the normal issues of combination welding. Business attainability of the FSW cycle for more earnestly composites, for example, prepares and titanium alloys anticipates the advancement of practical and solid apparatuses which lead to reliably primarily sound welds. Material determination and configuration significantly influence the presentation of devices, weld quality and cost. Here we audit and basically inspect a few significant parts of FSW devices like apparatus material determination, math and burden bearing capacity, instruments of hardware debasement and interaction financial matters. Tool geometry is very important aspect for the weld quality.