Y20LY hand-held and air-leg rock drill is a light-duty rock drill, which can be adopted for hand-held dry rock drilling in a downward manner in the secondary blasting of mine and quarry as well as its stonework. The Y20LY hand-held and air-leg rock drill provided with FT100 air leg can serve as the air-leg rock drill for drilling horizontal or inclined blast holes in small chambers in a wet manner. With small air consumption, light weight, large torque and simple structure, it can be used with small air compressor, being an ideal light-duty rock drill convenient for operation and maintenance.

This specification introduces performance and operating principle of the Y20LY hand-held and air-leg rock drill and precautions about its operation and maintenance. The user can use the drill properly and make the best of it with this guide.

Being a light-duty rock drill, Y20LY hand-held and air-leg rock drill is applicable to drilling horizontal or inclined blast holes with a diameter of 38-40mm and an effective drilling depth of 5m on medium-hard or hard (f8-18) rocks in a dry or wet manner .

It can be held by hands to drill rocks downwards and with an FT10 air leg, it can be serve as the air-leg rock drill for operation in various chambers, necessary to excavation of tunnels, channels, etc. in mines, quarries, farm fundamental construction, road construction in mountainous areas, reservoir construction and small power stations.

Y20LY hand-held and air-leg rock drill is equipped with FY200B oil lubricator with transparent case to ensure good lubrication, and further provided with FT100 air leg.

Weight	18kg	Air consumption	1.3m3/min (21.6L/s)
Overall length	609mm:	Times of impact	30HZ
Diameter of cylinder	60mm	Diameter of drill bit	34-40mm
Piston stroke	50mm	FT100 one-way air-leg
Inner diameter of air pipe	16mm	Length of air leg	1,313mm
Inner diameter of water pipe	8mm	Drilling length	810mm
Specification of bit shank	22×108±1mm	Inner diameter of air cylinder	52mm
Operating air pressure	0.4MPa	weitht	11kg