Item Type: Spade Drill Bit Set_x000D_ Material: High carbon steel_x000D_ Uses: Woodworking tools 1ACCURATE POSITIONING: This woodworking drill is different from others, it also adds two cutting edges on the edge, making it more precise for positioning and drilling. 2FAST DRILLING: Since the drill has 3 incisive edges, it drills fast, saving you working time, labor saving and increasing efficiency. 3HIGH CARBON STEEL: The cutter head is made of high carbon steel, and the hardness can up to HRC55 to HRC60 after heat treatment. 4STRONG COMPATIBILITY: This drill bit hole saw is easy to use, compatible with bench drills, DC, AC hand drills, and has a wide range of uses. 5WIDE APPLICATION: This drill hole saw can be widely used in woodworking work, such as the opening of a series of wood products such as cabinets, chairs, tables, etc.6 xSpade Drill Bit