The rock drill is a kind of high efficiency air leg rock drill machine.It is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and national defence project facility. When it is matched with Model FY250 Oil reservoir and Model FT160A or FT160B Air-leg , it is suitable for wet drilling under various of rocks at aclinic and incline orientation,it can also use in the trolley without Air-leg.

Weight:	27kg	Type FT160A air leg(optional)
Overall length	668mm	Leg length:	1668mm
Diameter of cylinder	80mm	Propulsion stroke:	1338mm
Piston stroke	60mm	Weight:	17kg
Inner diameter of air pipe	25mm	FT160B Air-leg:
Inner diameter of water pipe	13mm	Length of air-leg:	1428mm
Specification of bit shank	22×108mm	Propulsion stroke:	1098mm
Operating air pressure	0.4-0.63MPa	Weight:	16kg
Impact frequencey(0.63MPa)	≥36.7Hz	FY250 Oil reservior
Impact energy(0.63MPa):	≥75.5J	Capacity	0.25L