The bi-metal hole saw (with arbor) is an optimized powerhouse option that meets all of your cutting needs. A patented tooth set design allows for faster removal of material. The saw's solid cap minimizes runout and vibration for a more accurate cut. With a cutting depth of 1–15/16 in, the saws are designed for general-purpose use across a wide range of materials including wood, plastic, machinable metals, stainless steel alloys and nail embedded wood. An enhanced side slot offers increased leverage for faster and easier slug removal. bi-metal hole saws are proudly made in the USA.