Norton Vortex Rapid Blend discs and wheels from St. Gobain are designed for grinding and blending, leaving a smear-free ...

Most strong and thick sheet metals will require power tools for cutting, such as an angle grinder ... you will use yellow tin ...

This quick and dirty angle grinder circle cutter certainly fills the bill, and makes decent cuts in sheet metal to boot ... and makes a surprisingly clean cut. Check out the build and the tool ...