The Blu-Mol X Bi-Metal Holesaw M3 is a 73mm cutting tool featuring high-speed steel alloy teeth bonded to a welded steel body for fast, efficient hole cutting in stainless steel, carbon steel, hardwood, and plastic. The bi-metal construction provides superior durability and heat resistance, making it ideal for repeated use on tough materials. Designed for trade and industrial applications where precision and longevity are essential.