Made in the U.S.A. with global materials, these Bi-Metal Hole Saws last up to 50% longer* and feature patented toothforms that help deliver fast cuts and long-life drilling through wood, metal, and plastic. Their large, continuous slot provides leverage for easy plug ejection and removal. The durable, bi-metal construction provides the versatility to drill a range of materials and a deeper saw design allows for cutting 2-by dimensional lumber in one pass.