This product is suitable for building, water, electricity, gas, air conditioning and pipe installation through holes in the wall.
Recommended use:
DM 2-3/4'': 2-5P air-conditioning cabinet pipe.
DM 3-1/4'': General factory
DM 4-1/4'': Installation of sewage, fire water pipe or wire box.
Precautions for use:
Install drill bit: First check whether the spindle is vibrating, whether the electrical and mechanical parts are in order, and when installing, make sure that the drill bit is clamped with the drill bit and kept centric.
Rhinestone: Water must be added continuously during use It is used in drilling and core technology It is recommended to use stationary or hand-held drilling equipment.