YN27 Inter Combustion Gasoline Rock Drill is a very efficient rock drilling machine, composed of gasoline engine, air pump, rock drill.
It adapts to these outside situations without water and electronic power. Meanwhile it is a hand- held drill, during operation, rock power is blown away by the compressed air produced by the machine itself.
1. Easy to operate, just turn the handle to make it work.
2.Time and labor saving, drilling fast and high efficiency.
3. First-class level drilling tools, suitable for site without power or pressure equipment, it has wide adaptability for high mountain
and plain, extreme temperature (40 to -40).
4.Used to drill vertical downward hole(max depth 6) and and <45° upward hole.
5.Light drilling tools, only 27kg, easy to carry.
Weight of main machine
Cylinder diameter*stroke of piston
Rotation speed of engine
Displacement of engine piston
Type of carburetor
hand needle valve, float-less type
controllable silicon, contact-less system
Drilling speed (mean value of five holes)
Drilling hole diameter
Max drilling depth
Drill rod and breaker shank
Rotating speed of drill rod
Clearance of spark plug