When it comes to hole saws, look no further than IDEAL® Bi-Metal Hole Saws. Constructed with M42 high-speed steel with 8% premium cobalt content and a rigged solid back plate to to withstand abuse and provide exceptional wear resistance. The extreme deep gulleted teeth clear out uniform chips to help minimize binding and provide 1.2x faster drilling time than other manufacturers in the market. With a standard 1-7/8” cutting dept, you can save time cutting 2’x4’s with a single pass. Effectively cuts through a wide range of materials, including stainless steel, sheet metal, as well as common non-ferrous materials, such as aluminum, copper, brass, wood, engineered wood, nail embedded wood and plastics. 36-500 8-PC BI-METAL HOLE SAW KIT