Gasoline rock dril

Description

The Internal Combustion Rock Drill Type YN27J is a very efficient machine with the haracters
that the structure is very compact, Less of the-easy-to-damage-parts, and very easy to control. It can
adapt to these outside situations there is no water and no electronic power. It is a Kind hand held drill built up with gasoline engine, Air pump, rock drill and the rotation plumbum equipment for running or stop. It can be used as a tool for breaking, percussive drilling, tamping besides rock.
Other type: YN27A,YN28,YN30A,YN30W

Rock Drill Type	YN27J / YN27C
Weight(kg)	27
Overall Dimension(LWH) mm	746315229
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