High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth.
Using the Electric Hammer of the impact + rotation function on the Wall, Hollow Brick to operate Air Conditioning Holes, Pipe Holes and so on.
Widely used for installing the Air Conditioner, Oil Fume Exhauster and Sewer Pipeline Hole Open ect. Mainly work on the Opening Hole Operation of Wall and Brick structure, such as Red brick and Cement.
Simple operation, easy to use,and fast perforated.
Packing specification: 1* long connecting rods + 65mm drill bit + 30mm drill bit +2*Center positioning guide + positioning drill screw