On Apr 11, 9:30�pm, Ken Hall wrote:
The shaft on a bench grinder is threaded to hold a grinding wheel, not
a wire wheel. *The center of a wire wheel is much thinner, so the
shaft isn't threaded to draw up on the thin wheel. *

How do most people mount the thinner brush-wheel on the smooth
unthreaded zone of the shaft?

-- Ken

washers, normally theres a adapter plate available