Patent ID: 8328476

Claim:
A plurality of hole cutters, each hole cutter comprising: a blade including a blade body defining a respective outer diameter of less than 1¼ inches and a cutting edge defined by a plurality of cutting teeth; and a base portion opposite the cutting edge and defining a threaded aperture adapted for threadedly engaging a corresponding threaded end portion of an arbor, and at least two drive surfaces radially spaced relative to the threaded aperture on substantially opposite sides of the threaded aperture relative to each other and defining a distance therebetween; wherein (i) the plurality of hole cutters includes at least two hole cutters having blade bodies defining different outer diameters relative to each other that are selected from the group consisting of: about ⅞ inch, about 1 inch, and about 1⅛ inches, and (ii) the distance between the drive surfaces is substantially the same for each of the plurality of hole cutters.