Y20 Hand Held Rock DrillsModel Y20 Hand-held Rock Drill is intended for drilling downward and inclined blast holes in medium-hard and hard rock (f=8~18)The rock drill is mainly used in small quarries. Mines for constructing in mountain areas, water conservancy works in capital construction, also for secondary blasting in large mines and other projects, Model FY200B Line Oiler is incorporated into for lubricating during operation. bit.ly/3ug53Pz#Tophammer #Drilling #Tools #manufacturer #KemaicoRockToolsCorporation #Kemaico