I just need to get one and find out. I know guys that have them and I never see them use them for cutting out spot welds. Probably cause the boss buys cutoff wheels and not belts. I use the spitznagle spot weld cutter when I can. I've learned to sharpen the bits. Dent Fix Spitznagel Spot Annihilator Deluxe Spot Weld Drill Kit - DF-15DX
