3/4-16 thread milling
G0 X0 Y0 rapid to location
Z.1
G01 Z-1.020 F50.0
your finish location will vary depending on conditions always start with a smaller cut until you establish exact finish location
G91 G01 X.1275 F3.0 incremental move to finish location speeds and feeds will vary with materials being cut
G03 Z.0625 I-.1275 F4.0incremental 3 axis move creates right hand thread to establish Z movement divide 1 by thread pitch
1 divided by 16 = .0625
G90 G01 X0 F20.0 absolute move back to start location
G01 Z-1.020 absolute move down to starting Z location
G91 G01 X.1275 F6.0 incremental move to finish location
G03 Z.0625 I-.1275 F6.0 incremental 3 axis move
G03 Z.0625 I-.1275 F10.0 optional free pass to remove any burrs G90 G01 X0 F20.0 absolute move back to start location G0 Z3.0