Weld prep grinding is about speed of cut and control. Grinding discs have been the traditional tool for weld prep work on plate for generations - and they still work. But there is a new kid in town. The FTC ceramic flap discs are amazing. If you want to know more then you can check out this article on our blog: 'Weld Prep Grinding' n.b. blog will open in a new window so you wont lose your page Needless to say: We recommend the FTC flap discs for speed of cut, reduced vibration and quality of finish.