Spot weld cutter drill set 9pc 10mm sealey ak4730 suitable for drilling out spot welds on most vehicle panels spot weld cutter features spring loaded centre point to guide cutting crown onto weld 8mm cobalt drill is suitable for more specialist materials including galvanized boron and high stress steels solid cobalt stock allows re sharpening extending product life set includes replacement centre points and cutter crowns supplied in metal storage case sealey ak4730 spot weld cutter