Features High Hardness and Long Service Life: Made of alloy steel and subjected to overall heat treatment, this drill bit offers exceptional hardness and a prolonged service life, ensuring durability and reliability for your woodworking projects. Efficient Wood Chips Discharge: The U-shaped long chip flute design facilitates the convenient discharge of wood chips, enhancing drilling efficiency and maintaining a clean work environment. Stable and Burst-Free: The cutting edge force is on the same plane, providing effective protection against bursting during initial use, ensuring stable and reliable performance. Versatile Compatibility: The circular design of the drill tail ensures stable clamping, making it compatible with square hole drills and square tenon machines, offering versatility in woodworking applications. Ideal for Wood Products: This drill bit is suitable for drilling wood products such as density board, medium fiber board, particle board, and various types of wood, making it a versatile tool for woodworking projects. Specification: Item Type: Square Hole Mortiser Drill Bit Material: Bearing steel + alloy steel Uses: Suitable for wood products such as density board, medium fiber board, particle board, wood, etc. Suitable for square hole drills and square tenon machines Shank Type: Round shank Package List: Item Type: Square Hole Mortiser Drill Bit Material: Bearing steel + alloy steel Uses: Suitable for wood products such as density board, medium fiber board, particle board, wood, etc. Suitable for square hole drills and square tenon machines Shank Type: Round shank Note: Please bring protective gear when drilling to prevent the debris from splashing and hurting yourself. Package List 1 x Square Hole Mortiser Drill Bit 1 x Drill core