YT27
The air leg Yt 27 rock drill is a high efficient pneumatic rock drilling machine which is mainly used for tunneling works in mines. It is also an important tool for quarrying works in railway, hydraulic engineering and national defense.

Fitted up with the line oiler FY250 and air leg FT160 A. the machine is suitable for wet drilling of horizontal or inclined holes in medium and hard rock. The machine can also be mounted on a jumbo instead of an air leg.

Weight: 27kgs
Outside dimension L*W*H: 668 *248*202mm
Cylinder Dia: 80mm
Piston stroke: 60mm
Operating air pressure: 0.4-0.63MPa
impact energy ��75.5J
Impact frequency: ��36.7Hz
Air-pipe bore(inner Dia.): 25 mm
Water-pipe bore(inner Dia.): 13 mm
Drilling hole dia: 34-45mm
drilling hole depth: 5m
Air consumption: ��83.3 L/S
shank dimension: 22 x 108 + 1 mm
Type FT160A air leg(optional)
Leg length: 1668mm
Propulsion stroke: 1338mm
Weight: 17kg
FT160B Air-leg:
Length of air-leg: 1428mm
Propulsion stroke: 1098mm
Weight: 16kg
FY250 Oil reservoir
Capacity : 0.25L
weight: 1.2kg