Tips on how to Fix Dull Circular Saw BladesCircular Saws Undoubtedly are a must-have tool for specialist tradesmen and serious DIYers. They will cut wood, PCD Circular Saw Blades For Sale metal and in many cases concrete. Fortunately, you can fix a dull spherical saw blade without breaking the lending company. These types of blades tend to be used for cutting wooden, but can be made to cut light-gauge metal as well. It's often used with regard to ripping soft or difficult woods, but can also be used for slicing plywood and laminates.