Rock Drill Type
YN27J
Weight(kg)
27
Overall Dimension(L*W*H) mm
746*315*229
Diameter of Engine Piston(mm)
58
Stroke of Engine Piston(mm)
70
Rotating speed of Engine(R/min)
>2450
Rotating speed of Drilling Rod(R/min)
>250
Oil Consumption(L/m)
<0.12
Tank Capacity(Liter)
1.65
Max Drilling Depth(m)
6
Shank Size(mm)
Hex22x108
Ignition System
Controllable silicon, Con tactless System
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By certification 
