* Note: In the process of punching hole, Suggested that adding water cooling to help to extend the service life of the product.
* High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth.
* Materials that can be opened: cement wall, concrete wall, brick wall and so on for the installation of air conditioning, water pipes, water heaters, sewers, etc.
*The surface of the hole opener is sandblasted and the waste is easily removed from the hole opener.
* Using the Electric Hammer of the impact + rotation function on the Wall, Hollow Brick to operate Air Conditioning Holes, Pipe Holes and so on.
* Simple operation, easy to use,and fast perforated.
* Package include:
1x 110mm/4.33" long square connecting rods
1x 350mm/13.78" long square connecting rods
1x 35mm / 1.38" drill bit
1x 40mm / 1.57" drill bit
1x 50mm / 1.96" drill bit drill bit
1x 65mm / 2.56" drill bit drill bit
1x 80mm / 3.15" drill bit drill bit
1x 110mm / 4.33" drill bit drill bit
2x Center Positioning Drill Bits
2x Drill Screws