YO18 type air-leg rock drill is a new and efficient drilling equipment. It is widely used in stone engineering, mine roadway excavation and drilling blasting holes in various rock drilling operations, and is an indispensable important equipment in mining,water conservancy, building materials, energy transportation, national defense military and geological engineering. YO18 air-leg rock drill has a wide range of applications. It is suitable for drilling horizontal or inclined gun holes in medium-hard or hard (f=8~18) rocks, and can also drill bolt holes in the roof vertically. Generally, the hole diameter is Φ30-50 mm, effective depth of drilling up to 6 meters. The machine can be used with FT-100 air legs.