Rebar Cutter Next time your rotary hammer bangs into a piece of rebar, don't bother starting a new hole. Instead, swap the bit for a Rotary Rebar Cutter, one of a set of carbide-tipped bits designed to cut through rebar. Available with fixed shanks or as individual cutters that thread onto a separate shank, these bits are intended for rotary drilling only; any hammer action will damage the tool. List prices range from $42 to $66 for fixed-shank cutters up to 13/16 inch in diameter; removable cutters up to 21/2 inches in diameter cost $81 to $242. The threaded shanks, which are available in several sizes to make overall bit lengths between 9 and 24 inches, are