Make your wood processing easier and faster with our professional wood drills, which are suitable for the construction, installation, decoration, and renovation industries, etc. Using a long drill core and a square chisel, it is very easy to lock the holes in the wood, and then you can quickly obtain different drill holes. An excellent chip cutting process with high-performance slot design geometry. The coordinated use of conical cutting machines and conical cutting machines produces a dual effect, as electric drilling machines, hammers and other tools must be used to punch square holes. Widely applied: These woodworking tools are suitable for bench drilling RIGS, drill pipe machines or drill pipe installations. It is suitable for woodworking projects, construction, installation, decoration industries and more. Reduce the labor intensity of construction workers, accelerate the construction speed, and lower the construction costs of industries such as construction, installation, decoration, and renovation. High hardness and rotational accuracy: These square drill bits are made of high-speed steel and undergo hot working, featuring high-hardness drill bits and sharp square blades, ensuring a long service life. 7 sizes, best suited to your needs: You can choose from 7 different sizes: 1/4" (6.4mm), 5/16" (8mm), 3/8" (9.5mm), 10mm, 1/2" (12.7mm), 9/16" (14mm), 5/8" (16mm). These rectangular drill bits can meet most of your needs. Each drill bit is packed in a plastic bag for easy maintenance. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.