Drilling rig

A bolting apparatus for inserting a rod into a surface, said bolting apparatus including a base having a foot end and a head end, at least one stabilizing rod extendable from said base head end and having a stabilizing rod end adapted to contact a surface to be drilled, and a mechanism directly attached to said base between said base foot end and said stabilizing rod end and adapted to grip the rod to be inserted by the bolting apparatus and further including a rotation unit feed frame slidably mounted to said base, said feed frame including a base member and an upper member, at least one first frame member and at least one second frame member, said base member and upper member being secured to respective ends of said a least one first and said second frame members whereby said at least one first and second frame members are spaced apart and substantially parallel to each other, at least one first frame member being adapted to be mounted to and slide relative to said base and said at least one second frame member being able to receive a rotation unit thereon whereby said rotation unit can slide relative to said second frame member, means for moving said feed frame relative to said base, and means for moving said rotation unit relative to said feed frame.