Yes, I had a set of them (oversize taps) at my shop, they were marked (+5), that is, .005 oversize. Some of our readers may not know that steel swells when hardened. Plating only effects the mouth of the tapped hole, at least in the case of relatively small holes due to the lack of circulation of the electrolyte through the hole, and I think a cathode is required in a hole plus circulation for effective plating in holes.