Take a square block, drill a hole in the end to accept the dart. Use a
setscrew to keep the dart from turning. carefully cut the groves with a
small bandsaw blade.

"eyeclinic" wrote in message
...
I'd like to try and turn some single-piece darts on my lathe using some
SS rod. The turning should not be a problem but I need to know how to
cut the 4 grooves in the flight(plastic "wings") end. Any ideas?

Rich