Sany SR405R-HK

Expert in construction of large diameter. and 100m deep borehole without torque limit; main winch with large lifting force to ensure stable operation. The heaviest model of the same level ensures large crowding force; equipped with heavy duty, impact resistance reducer to realize stable torque output; excellent drilling ability in hard rock layers more than 60MPa. The structural parts adopt impact, fatigue resistance technology in rock drilling, single layer wire rope winding for interlocking Kelly… more