KQD165B type down-the-hole drilling rig is a new type of energy-saving and high-efficiency rock drilling equipment designed by our company. It is widely used in medium and deep blast hole rock drilling operations in medium and small mines and road construction, national defense, water conservancy and stone works. It is also an ideal choice for drilling low-temperature equipment for geothermal wells. It is especially suitable for small areas where other drilling rigs cannot work normally. This machine is compact in structure, convenient in operation, quick in chiseling, high in efficiency, easy to remove and carry.
 
KQD165B Technical Parameters

Model	KQD165B
Hole dia.（mm）	90-150
Depth（m）	≥50
Rotary speed（rpm）	0-60
Work pressure（MPa）	0.7~1.4
Drill pipe specifications（mm）	76x1500
Air consumption（m3/min）	≥15
Lifting force（N）	12000
Motor Power	11kW