Grinding
Grinder Spindle adaptor Manufacturer. Unknown Size. ... The belt spindle diameter is 1.5" The inside of the clamp is 2.75" i.d. sold"as is" because of its age. Harig 618 Surface Grinder Spindle and Motor Assembly. Harig Products Spindle and Motor Assembly. 440V 3PH 3450/2850 RPM Came from a Harig 618 Surface Grinder. May fit a 612.