Watch as the Bosch GBH 180-Li cordless rotary hammer drill undergoes a complete disassembly and restoration. This tool, damaged by rough use, had a worn switch but an intact control board.

The hammer drill I used in the tests was the 18-volt Makita BHP452, and the rotary hammer was a 1-inch Bosch Bulldog 11255VSR. To test battery life, I put a piece of 3⁄4-inch plywood on a few ...

Trevor Raab Both rotary hammer drills, and hammer drills have switches for drill and hammer modes. The Bosch rotary hammer drill (left) has modes for drill + hammer, drill only, and hammer only.

Power drills aren't only used for shoving screws into wooden planks. Whether you're remodeling your home or building one from scratch, holes need to be made into all kinds of surfaces, both for ...

STANLEY SDH550KP 550W 10mm Corded Single Speed Hammer Drill Machine 2600 RPM 28V Compact BOSCH GBH 220 Corded Electric Rotary Hammer 1550 RPM 230V Lightweight, Variable Speed, Compact Cheston ...