YT27 Air Leg Rock drill

Introduction of YT27 rock drill
YT27 air leg rock drill with the characteristics of high efficiency and low consumption.
It is especially suitable for railway, highway, water and electricity construction.
It is also the replacement product of mine tunnel excavation and various rock drilling operations in metallurgy, coal and other mines.
YT27 Air leg rock drill is suitable for drilling horizontal and inclined holes on medium hard and hard rocks (f=8~18), and also could drill bolt holes upward, the drill hole diameter is 34-42mm, effective drill hole depth is 5m.
Parameter of YT27 rock drill

Weight	27kgs
Overall size ( length* width*height)	668* 248* 202mm
Cylinder diameter	80mm
Piston stroke	60mm
Working air pressure	0.4-0.63Mpa
Working water pressure	0.3Mpa
air pipe diameter	25mm
water pipe diameter	13mm
Max. drill hole depth	34-42mm
Impact frequency	≥40Hz
	≥39Hz
	≥37Hz
Air consumption	≤85L/S
	≤57L/S
	≤50L/S
Impact energy	≥70J
	≥64J
	≥48J
Rotate speed	≥300r/min
	≥300r/min
	≥280r/min
Drill bit diameter	34-42mm
Shank size	22×108±1mm