ALLIANDIS24mm Bi-Metal Hole Saw (M42 HSS), Heavy Duty Wood Aluminum Iron Plastic

[25 optional hole diameters]: 15mm-70mm, solve all size problems.[HSS M42 Heat Treated Bi-Metal Knife]: Made of high-quality high-speed carbon steel and bi-metal steel, with sharp edges and high hardness. Strong and sturdy. The accuracy of concentricity makes the edges of the teeth uniform and prolongs the life ofthe hole.[Cutting Design]: 25mm cutting depth. With its clean, non-binding edge design, this hole saw cuts easily and smoothly. A spring on the drill bit automatically pushes the disc out of the saw as soon as the hole is finished.[With 93mm Center Rod]: For your convenience, we have prepared a 93mm center rod for you.【Application】: Suitable for pistol drill, column drill, vertical drill, etc. Widely used in floor, household wood, galvanized pipe, fire hose, plastic, gypsum board and other opening operations.