Features Wide Compatibility For Various Woods - Ideal for density board, MDF, particleboard, and other wood products, making it perfect for square hole drilling machines and tenon machines Durable Alloy Steel Construction - Crafted from alloy steel with comprehensive heat treatment, ensuring high hardness and an extended service life for all your woodworking projects Efficient Chip Removal Design - Features a U-shaped long chip removal tank that facilitates quick removal of wood chips, significantly enhancing your drilling efficiency Enhanced Stability With Drill Socket - The flat-plane design of the bit socket edge offers effective protection, preventing burst situations during initial use for safer operation Universal Round Shank Design - The round tail design provides stable clamping, making it compatible with square drills and mortise machines for versatile woodworking applications Features: 1、WIDE USE: Suitable for density board, MDF, particleboard, wood and other wood products suitable for square hole drilling machine, square tenon machine 2、ALLOY DRILL BIT: The drill bit is made of alloy steel section, overall heat treatment, bring high hardn, long service life 3、HIGH EFFICIENCY CHIP REMOVAL: U long chip removal tank design, easy to remove wood chips and improve drilling efficiency 4、DRILL SOCKET DESIGN: The force of the bit socket edge is in a flat plane, effective protection can avoid the situation of burst at the beginning of use 5、UNIVERSAL SHANK SHAPE: The drill tail is designed in a round shape for more stable clamping. You can use with square drill and mortise machine Specification: Item Type: Square Auger Material: Bearing steel Drill Bit Diameter: 12.7mm(1/2in) Application: Suitable for density board, MDF, particleboard, wood and other wood products, suitable for square hole drilling machine, square tenon machine Square Hole Size: Approx. 12.7mm / 0.5in Slot Depth: Approx.7m / 2.87in Length: Approx.138mm / 5.43in Clamping Diameter: Approx.19mm / 0.75in Shank Diameter: Approx.9.2mm / 0.36in Package List: 1 x Square Auger Package List 1 x Square Auger