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Hw-300b drill is a kind of disc type drill, which can be powered by electric motor or diesel engine.
Spindle speed, 100-200 rpm
Drilling speed: 10-20 M / h.
Recommended drilling diameter: 75-300 mm
The depth is about 60 meters.
Net weight of main engine: 400kg (excluding power)
Gross weight: 460Kg
Volume, package size 230 * 86 * 86 (CM)
There are 31 meters of drill pipe at random. Among them, 14 are 2m, 1 is 1m, and 1 is 2m. Two drill bits with a diameter of 100mm.
In addition, the optional bits include 160 mm diameter (110 water pipe is recommended), 200-260 mm diameter (125-160 water pipe is recommended), and 300 mm diameter (200-220 water pipe is recommended).
The drill bit with a diameter less than 120mm is of one shape, and the drill bit with three wings with a diameter of 160-300mm is inlaid with cemented carbide.
Hw300-b drilling rig is installed with winch system on the basis of the original hw300 without increasing power. Its structure is reasonable and its operation is simple. It reduces the labor intensity of workers and increases labor efficiency.
After sales service]:
Since the date of purchase, the company shall be responsible for the maintenance of any product quality problems under natural conditions within one year.  
[product transportation]:
The company's products are delivered to the third party for transportation, so it is not guaranteed that the products will not be damaged during transportation. If the products are found damaged after arrival, please contact the company in time