Patent ID: 8579554

Claim:
A hole cutter, comprising: a substantially cylindrical blade body defining a cutting edge; and at least one axially-elongated aperture formed through the blade body and spaced from the cutting edge such that a portion of the blade body extends between the cutting edge and the axially-elongated aperture, wherein the axially-elongated aperture is configured to receive therethrough a lever for removing a work piece slug from an interior of the blade body, and the blade body defines within the axially-elongated aperture a plurality of fulcrums configured for engaging the lever and for levering slugs out of the interior of the blade body by applying a sufficient levering force against the fulcrums to lever a slug towards the cutting edge, the plurality of fulcrums including a first fulcrum axially spaced adjacent to the cutting edge, a second fulcrum axially spaced further away from the cutting edge than the first fulcrum, and a third fulcrum axially spaced between the first and second fulcrums.