BSA Single Spindle Automatics. Attachments Parts Book as Sectional Drawings (includes: the Slotting. Transfer, Swing Stop, High-speed Drilling, Rear End Drilling and Deburring, Nut Tapping, Third Slide, Screw Slotting, Worm Drive Screw Slotting, Swing Stock Stop, Thread Cutting and Box-Type Third Slide Accessories.