The Bonna® Square Drill Bits are crafted from high-speed steel (HSS) and undergo heat treatment to achieve a hardness of HRC48~50, ensuring durability and strength for intensive woodworking tasks.

Yes, these drill bits are designed to work effectively with all types of wood, making them perfect for various woodworking projects, including renovation, construction, installation, and decoration.

These drill bits are engineered to simplify the process of creating square holes, significantly reducing the effort required from workers. This efficiency speeds up the construction process and lowers overall labor costs.

Yes, our Drill Bits are compatible with most standard drill presses and mortising machines, making them versatile and easy to integrate into your existing toolset.