Features Superior Durability: Constructed from high-quality alloy steel and treated for heat resistance, this drill bit offers exceptional hardness and a long service life Efficient Wood Chip Removal: The U-shaped long chip flute design allows for easy discharge of wood chips, enhancing drilling efficiency and reducing downtime Enhanced Stability: Designed with the cutting edge force aligned in one plane, this drill bit minimizes the risk of bursting during initial use, ensuring a stable drilling experience Versatile Compatibility: Featuring a circular tail design, this tool provides a secure fit for use with square hole drills and square tenon machines for various woodworking applications Ideal for Wood Products: Perfectly suited for drilling into materials like density board, medium fiber board, and particle board, making it a versatile addition to your woodworking tools Features: 1、OVERALL HEAT TREATMENT: The drill bit is made of alloy steel section, the overall heat treatment bring high hardn and long service life 2、CONVENIENT FOR WOOD CHIPS DISCHARGE: U shaped long chip flute design is convenient for the discharge of wood chips and improves drilling efficiency 3、AVOID BURSTING: The force of the cutting edge of the drill bit is on the same plane, and the effective protection can avoid the situation of bursting at the beginning of use, very stable 4、USE WITH SQUARE HOLE DRILLS: The drill tail adopts a circular design, which makes the clamping more stable. Can be used with square hole drills and square tenon machines 5、FOR WOOD PRODUCTS: Suitable for drilling wood products such as density board, medium fiber board, particle board, wood and so on 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: 1 x Square Hole Mortiser Drill Bit 1 x Drill core 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