About 20,000 Bosch hammer drills, imported by Robert Bosch Tool Corp. of Mt. Prospect, Ill. The models have a grounding system and trigger switch that could cause ground wire abrasion and/or ground ...
A hammer drill is a tool that has a back-and-forth hammering action as well as a clockwise or anti-clockwise drilling action. They can do jobs regular drills are not suitable for, such as drilling ...