How to Remove a Rocker Panel | eHowSpot weld drill bit. Grinder with grinding wheel attachment. Open the door above the rocker panel you will be removing. Remove the door sill trim plate by turning.grinding stone for removing spot welds,Working with Boron Steel - Body Shop BusinessSep 1, 2006 . Conventional spot weld cutters and drills don't work on boron steel. . Removal of spot welds by grinding with an abrasive wheel is a practical.
grinding stone for removing spot welds