Milwaukee 1-1/2" CARBIDE TIPPED HS is designed for fast, durable cutting with its innovative 3 TPI design that combines the speed of a bi-metal hole saw and the longevity of a carbide hole saw. This versatile hole saw excels at cutting through a wide range of materials including stainless steel, cast iron, fastener-embedded wood, cement board, fiberglass, plaster, and asphalt shingles. Its deep gullets efficiently clear material during cutting, while the ALL-ACCESS SLOTS make plug removal quick and easy, reducing downtime between holes. The new slot design also enhances pilot visibility for precise placement and faster chip ejection, keeping cuts cooler. With a cutting depth of 1.62 inches, it ample for various applications. Proudly made in the USA, this hole saw delivers exceptional performance and reliability. Model Number: 49-56-0713