Hole Saw High Speed Steel Three Blades Inclination Angle Design Hole Cutter for Metal with Hex Key

[ High Speed Steel] Made of high quality high speed steel material, sturdy and , service life. [Three Blades Design] Inner, middle and outer three blades design, higher efficiency, not easy to collapse. [Inclination Angle Design] Inclination angle design reduces friction and reduces the temperature of the knife. Item Type: Hole Saw Material: High Speed Steel Handle Diameter: Approx. 10mm Celsius 0.4in Total Length: Approx. 90mm Celsius 3.5in Working Depth: Approx. 25mm Celsius 1.0in Uses: Metal Openings for Cast Iron, Steel Plate, Thick Stainless Steel, Thick Non Standard Iron, Etc.