YN27 Handheld Drilling Rig

YN27 handheld drilling rig  The internal combustion gasoline rock drill model YN27C/YN27 is a portable rock drilling tool, combined of a small petrol engine, an air compressor and a rock drill. During  operation,  rock powder is blown away by the compressed air produced by the machine itself.it also can be used with supporting stand.It is easy to be carried with its light weight,and suitable for working on high mountains,  plains, hot and cold condition where there is no any of power,  water  s upply  and   air  compressing equipments. Especially, suits the projects that the machine has to be carried at any time and in any area.With turning the swing arm to running-or-stop rotation plumbum,  the machine can be used as a tool for breaking, percussive drilling, tamping besides rock Drilling.it is suitable to build  bridge, road, powder station, geological exploration etc. Model  YN27C Weight  27kg Dimension  746*315*229mm Function  Drilling Type of carburetor  Hand needle valve, no floating type Type of engine  Single cylinder,air cooled two strokes Diameter of engine piston  Φ58mm Stroke of engine piston  70mm Rotating speed of engine  ≥2450R/min Rotating speed of drilling rod  ≥250R/min Oil consumption  ≤0.12L/min Max. drilling depth  6m Tank capacity  ≥1.14 L Shank size  Hex22x108mm Mixture ratio of gasoline and lubrication oil