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		27 kg
Outside dimension(L×W×H)		668×248×202mm
Cylinder dia		80mm
Piston stroke		60mm
Impact energy		≥75.5J
Impact frequencey		≥ 36.7Hz
Air consumption		≤83.3L/S
Air pipe (inner dia)		25mm
Water pipe (inner dia)		13mm
Air pressure		0.63MPa
Water pressure		0.3MPa
Bore dia		34-45mm
Bore depth		5m
Shank dimensions(hex×length)		22×108±mm×mm
Model FY250B oil lubircator:
Weight		1.2kg
Oil capacity		0.25L
Air leg	FT160A	FT160B
Weight	17kg	16 kg
Llength:max	3006mm	2526mm
min	1668mm	1428mm
Propulsion stroke	1338mm	1098 mm
Axis thrust (max)	2000N	2000N