Multi-functional tap drills can be used in a variety of different occasions, mainly including the following fields:

1. Metal processing: Multi-function tap drills are suitable for processing metal materials, such as aluminium, copper, steel and other metal materials. It can be used to make screw holes, threads and other machining processes to improve productivity and machining accuracy.

2. Mechanical Manufacturing: Multi-function tap drills can be used for the processing of mechanical parts, such as automotive parts, aviation parts and so on. It can help the machinery manufacturing industry to achieve more accurate processing requirements and improve product quality.

3. Electronic industry: Multi-function tap drills are suitable for the processing technology of the electronic industry, such as circuit board processing, precision instrument processing, etc.. It can help the electronics industry to achieve more refined processing requirements, improve product performance.

4. construction industry: multi-function tap drill can be used in the construction industry processing technology, such as the processing of building structure connectors. It can help the construction industry to realise stronger and more reliable building structures, and improve building quality and safety.

5. Woodworking industry: multi-functional tap drills can be applied to the processing technology of woodworking industry, such as drilling and threading of wood. It can help the woodworking industry achieve more refined processing requirements and improve product quality and aesthetics.

Overall, multifunctional tap drills are suitable for a variety of industries and occasions that require thread processing, and their multifunctional performance makes them one of the most important tools in the processing industry, providing more choices and convenience for workpiece processing.