ZM-40005 item 30 - Set Screw

This National Acme replacement set screw part number 50790 is used in Operating Lever and Bracket Assembly ZM-40005.   View any of the following layout assembly drawings of the complete multispindle attachment for reference.  This replacement part may be used in attachment assemblies that fit numerous size Acme Gridley multi spindle screw machines and/or positions.

Acme Gridley 1-1/4" RB-8 Reaming Attachment - 6th Position
Acme Gridley 1-1/4" RB-8 Universal Threading Attachment - 6th Position