Drilling a hole in a hardened steel shaft isn't doable with normal tools - but you may be lucky and
your motor's shaft isn't hardened. Surely a non-destructive method is easier - paint the shaft white one
side and black the other?
Drilling a hole in a hardened steel shaft isn't doable with normal tools - but you may be lucky and
your motor's shaft isn't hardened. Surely a non-destructive method is easier - paint the shaft white one
side and black the other?