Polishing wheel for grinder

摘要

PURPOSE: A grinding wheel for a grinder is provided to lengthen the life span of an electric tool by reducing the weight thereof, and to improve work efficiency by reducing the fatigue of a worker. CONSTITUTION: An aluminum shank(12) has a center hole(10) coupled with a rotary shaft of a grinder, and a plurality of coupling holes(14). A plurality of vent holes(16) are formed between the center hole and the coupling holes. A diamond tip(22) has a connection hole(20) corresponding to the coupling hole, and is attached to the bottom of the circumference(13) of the shank by non-heating type special adhesive. A plurality of coupling pins(30) are inserted into the coupling hole and the connection hole.