The Progressor for Wood and Metal hole saw is a durable hole saw designed for quick cuts in wood and metal. A progressive tooth design provides optimal cutting performance and fast chip removal. This hole saw is made from bi-metal HSS (high-speed steel) with an 8% cobalt alloy, reducing the risk of tooth breakage and enhancing heat resistance for extreme durability and longevity. It is suitable for cutting wood, metal, and plastic. The Progressor for Wood and Metal hole saw features Bosch's unique Power Change adapter, which offers the fastest adapter system on the market, allowing for the quick separation and connection of the hole saw and center drill with just one click.