Internal Combustion Rock Drill YN27C type  is a portable rock drill tool,composed of a small petrol engine,ann air compressor and a rock drill.During oiperation,rock power is blown away by the compressed air produced by the machine itself.The machine is a portable machine,Its also can use with supporting stand.Drilling hole diameter 28mm-42mm,when turning vertically downward,it can drill to the depth of 6mIts easy to be carried along.

Weight   27kg

Length    746*315*229mm

Type of engine    single cylinder,air cooled two strokes

Cylinder Dia.* stroke of Piston    58*70mm

Rotating speed of engine    ≥2400 r/min

Max drilling depth  6m

Drilling speed   ≥250mm/min

Tank capacity   ≥1.14L

Fuel Consumption   0.12L/m

End of rod Dia.   H22*108mm

Rotating speed of drill rod   200r/min

Ignition system   Controllable silicon,contactless system