Welders And Welding Accessories Available here. Welding is the term used to describe the process of joining metal surfaces by heating and melting them together. Since most cars have large metal components, like body panels, having a tool like a welder is necessary if you are wanting to make repairs that involve metalworking. If you are thinking about trying to weld parts of your vehicle, it will be important to select the right welders and welding accessories for the job. Not all welders are appropriate for all tasks, so examine our selection of welders and welding accessories to find the right tools to accomplish your at-home welding goals.