Hand held Rock Drills, powered by pneumatic drive from air compressor, and used for small-hole drilling such as granite, marble, limestone quarrying. And for small size construction, and demolition work, hole size scope 30mm-40mm, match Tapered Drill Rods, Tapered Drill Bits, or Integral Drill Rodstogether for a drilling use.
Rock drilling tools manufacturer Litong: YN27C gasoline rock drills or petrol driven rock drill machine is powered by gasoline engine, without using air compressor, a very efficient machine with the characters that the structure is very compact, less of the-easy-to-damage-parts, and very easy to control.
Pneumatic pick is lighter, more flexible and convenient operation. It's suitable for operating all around of work, especially in narrow space, upper or climbing direction. It can stop working automatically when the solid object is broken.