Rock drill and method for the manufacture of refrerida drill

摘要

b "rock drill and method for manufacturing the drill" d .The present invention relates to a rock drill (10) for the implementation of drilling by percussion drilling rod, preferably an integral, which has a drill rod (12).A ring (14) which connects to one end of the rod (12), a portion of the rod (16), which in one of its ends connects to the ring (14).While the other surface terminal (17) is the carrier of the cutting means (18), a discharge channel Central