... 2.new improved function 3.best sale at abroad KY100-KH3-J1321 Crawler walking Drilling rig1.diameter:80-105mm2 ... drilling , anchor hole drilling and etc.Ihe specification of KY100-KH3 Rigidity rockF=6-20Diameter of hole 80-105mmOptium ... -12barAir consumption≥10m³/minRotation speed0-65rpm Torque983n.mLift power15KNDimension(KY100)4100*2030*2020mmDimension(KH3)41000*2080*2020mmweight 3200 KGDrive ...