The rock drill is a kind of high efficiency air leg rock drill machinery. It is mainly used for diging into mine laneway and blasting holes in all drilling works. It is indispensably importance machine tool in metallurgy, coal, railway, traffic, water conservancy construction and national defence stone project.
It is suitable for drilling and blasting under various of rocks at any direction angles. Blast hole dia is 34-42mm,drill hole depth is 5 m. This machine may match with Model FT160BD short air leg or Model FT160BC long air leg.
This machine has transparent surface of FY200B oil reservoir, easy to observe the oil lever, adjust oil quantity, ensure the well lubricated.

YT28 Air-leg Rock Drill


Specification

Weight ? 26 kg
Length 661mm
Cylinder dia 80mm
Piston stroke 60mm
Air pressure 0.4- 0.63MPa
Impact frequencey ? 37 Hz(2220bpm)
Air consumption ?81L/S(4.86m3/min)
Air pipe (inner dia ) 25mm
Water pipe (inner dia ) 13mm
Drill bit dia 34-42mm
Shank dimensions(hex��length) 22��108��1mm
FY200B oil reservoir
Oil capacity 200ml