Acedrills has both integral equipment (integral drill steels and Plug-hole Integral Drill Steels) and taper top drive equipment (Taper drill rods and Taper drill bits / Knock-off drill bits) for your selection for small-hole drilling, especially for hand-held rock drills. These tools are also called as manual drilling tools. Drilling with those tools is the oldest rotary-percussive drilling methods, and they have a wide application in quarrying, gold mining and construction and so on.