SK680 Top Hammer Drilling Rig is designed according to the needs of construction environment of front-line customers and the needs of φ50-90mm small hole diameter.The whole machine is small in size,light in weight,fast in travelling speed and strong in cross-country ability,which can replace the special working conditions that conventional drilling rigs can not operate. It is suitable for:static explosion,small hole diameter drug explosion,such as underground mining,underground,construction pits,urban construction sites,tunnels and other environments in the rock drilling and drilling.