Diamond board international manufactures a drill sharpening wheel which is a standard flaring cup grinding wheel with a super abrasive impregnated in a rim with a 80ยบ side angle. The wheel can be widely used in face grinding of tungsten carbide and hss. This wheel has also application in face sharpening router bits and cutters on the foley- belsaw models 374, 380, router attachments, tg 1 saw and tool sharpener. This drills sharpening wheels uses a concentration of 75 or 100 and the mode can be reciprocating. These wheels have a standard diameters of 75, 90, 100 and 125 mm and the depths of impregnation varies between 3-6 mm.
