what is the best way to sharpen lawn mower blades
Lawnmower blade is just like any other regular blades. In sharpening, we have to remove the blade from its holder. If it has nicks, the best way sharpen it to use a grinder. Grind the tapered cutting edges and make sure you are following the factory angle of cutting edge. Then follow it up with a file in the ground edge to enhance its sharpness. For additional details about this go to http://www.familyhandyman.com/DIY-Projects/Outdoor-Projects/Yard/Outdoor-Tools/how-to-sharpen-tools/Step-By-Step.