Inch Cutting Grinder
It is certainly possible to cut through concrete up to 1-inch with a 4.5-inch angle grinder, but you might find the job gets completed quicker and with more precision with something larger like a 9-inch angle grinder. The physical size of the angle grinder is not the only aspect to consider. The amps in the motor of the angle grinder determine how fast the grinder will cut. A 4.5-inch grinder will typically come with a 7 amp motor, while a 7 inch or 9-inch grinder