SummaryThis is a replacement part for a South bend lathe model 9C that I just received, this part was worn out so made a replacement out of ABS PLA may be stronger. I made it in 2 halves and glued them together with ABS juice. The lathe has a 3/4 8 TPI acme leadscrew, the chaser gear has 32 teeth. I will have other pieces for this same lathe, change gears, cross slide nut, top slide handle, Plus whatever I need to replace because it is missing or worn out. My lathe was made between 1937 and 1940.Print SettingsSupports: YesResolution: 0.1mm to 0.2mmInfill: 100 %Post-PrintingASSEMBLYTHE TWO HALVES WERE GLUED TOGETHER USING ABS JUICE THEN LEFT OVERNIGHT I RAN AN 8MM DRILL THROUGH THE HOLE THEN AN 8MM EXPANDING REAMER. i USED 8MM ROD BUT YOU CAN USE 5/16 THE MOUNTING HOLE IS 3/8 INCHES AS PER SB9C LATHE GRUB SCREWS A 5MM