Bobcat Mini Track Rig Big Beaver Portable Auger Drill Pionjar Portable Hammer Drill Bosch Portable Hammer Drill - Electric Concrete Coring Equipment Underwater Vibracorer Hydro Vac Excavator SPT/ DCPT Tripod	Bosch Portable Hammer Drill - Electric The Bosch is the solution for inside and confined sampling. With essentially the same power as the Pionjar, and zero emissions, it is the method of choice for drilling indoors. Typically, our concrete coring machine cuts through the concrete and then the appropriate sampling technique is hammered down with the Bosch. Our 2 or 3-inch split-spoon is capable of reaching depths of up to 25 feet*. Visit our photo gallery page for more pictures.	Indoor Electric Sampling