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Products

Item NO.:YN27Z
Product name:Internal combustion rock drill
Description:

Instruction
Internal Combustion Rock Drill type YN27J is a portable rock drill tool,composed of a small petrol engine,ann air compressor and a rock drill. During operation, rock power is blown away by the compressed air produced by the machine itself.The machine is a portable machine,It’s also can use with supporting stand.Drilling hole diameter 28mm-42mm, when turning vertically downward,it can drill to the depth of 6mIt’s easy to be carried along.It’s suited to work on high mountains,plains,hot and cold area with no power and no water supply and air compressing equipments,and especially suits the projects that the machine has to be carried at any time and in any area.
The Internal Combustion Rock Drill Type YN27J is a very efficient machine with the characters that .
Specification

Weight
26-27.5 kg
Overall dimension (L*W*H)
746*315*229 mm
Diameter of engine piston
φ58 mm
Stroke of engine piston
70 mm
Rotating speed of engine with load
>=2450 rpm
Drilling speed
>=250 mm/min
Oil consumption
<=0.12 L/m
Max. drilling depth
6 m