Spade Bits are used to bore holes through wood quickly. As these bits leave a rough hole, they are often used to drill in areas that will later be covered, or that are not generally visible. It is also commonly known as paddle bits, and has a wide, flat blade. The flat paddle design features a sharp cutting edge, ensures the hole smooth clean. Each spade bits are made to create large holes in wood or other soft material. This spade bit is generally used by retailers such as electricians and plumbers for drilling holes in studs in walls for running wiring or pipes. A wide range of Spade bits flat blades in Our Store.