For free to contact Elaine: elaineliu318@yahoo.com.cn Y24 The rock drill is mainly used for dry drilling in the medium-hard and hard rock(f=8-18). It¡¯s suitable for drilling works in surface mine, quarry for boulder blasting. FY200B oil tank is matched with this rock drill to ensure the fine lubrication. Specification Weight ¡Ã24kg Length 604mm Cylinder dia. 70mm Piston stroke 70mm Air pressure 0.4~0.63MPa Impact frequency* ¡Ã27HZ Air consumption* ¡Ã55L/s Air pipe inner dia. 19mm Bore dia 34~42mm Shank dimensions(hex¡Ãlength)at0.4Mpa 22¡Ã108¡Ã1mm FY200B oil tank: Capacity 200ml