Screw machine replacement parts catalog and code reference drawings for Acme Gridley 3-1/2" RB-8 multi spindle screw machines. These code reference parts catalog and attachment layout drawing pages below identify and list replacement parts for National Acme built Acme Gridley 3-1/2" RB-8 automatic 8-spindle lathe screw machines.

This 3-1/2" RB-8 spare parts catalog section is currently under construction and some catalog pages or parts lists may not yet be active or available to view. Please check back again soon as we are continually expanding our multispindle online parts catalogs.