To provide a grinding wheel free to sufficiently transmit ultrasonic oscillation to a grinding stone.

This grinding wheel installed on a wheel mount fixed on a head end of a spindle of a grinding device includes: a mount installing plate to be installed on the wheel mount; a wheel base having a first surface, a second surface on the opposite side of the first surface and a connecting shaft integrally formed on the first surface and on which the connecting shaft is connected to the mount installing plate and a plurality of the grinding tools are fixed on an outer peripheral part of the second surface; an ultrasonic oscillator arranged on the inside in the radial direction of the grinding tools and on the first surface of the wheel base; and a cylindrical sheet metal fastened on an outer periphery of the mount installing plate and an outer periphery of the wheel base so as to surround an overall circumference of the mount installing plate and an overall circumference of the wheel base.