Main Applications Of Hollow Drill Bits

1. Metalworking: Suitable for drilling holes in steel pipes and plates, especially those with large diameters (≥20mm). For example, when installing pipes, a hollow drill bit can quickly penetrate 5mm thick stainless steel plates, with automatic chip removal.

2. Concrete/Stonework: When paired with a diamond-coated drill bit, it can drill holes up to 300mm deep (data source: Bosch Professional Tool Manual), often used for anchoring in construction.

3. Wood Drilling: Used in woodworking for door locks, ventilation holes, and more, it is over three times more efficient than traditional twist drills (actual measurement comparison).