Milwaukee 4-1/4" CARBIDE TIPPED HS is designed to deliver fast, durable cuts with its innovative 3 TPI design, combining the toughness of a bi-metal hole saw with the longevity of carbide teeth. This hole saw excels in cutting through a variety of challenging 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 feature makes plug removal easy, reducing downtime and enhancing productivity. The new slot design also improves pilot visibility for precise placement and accelerates chip ejection to keep cuts cool. With a cutting depth of 1.62 inches, it provides ample for versatile applications. Proudly made in the USA, this hole saw is built to perform in both general purpose and extreme material conditions. Model Number: 49-56-0744