G20 G90 G18
(Source basis: LinuxCNC src/emc/rs274ngc/rs274ngc_pre.cc init reads [TRAJ] SPINDLES from INI_FILE_NAME.)
(Source basis: LinuxCNC src/emc/rs274ngc/interp_convert.cc G76 with $ selects active_spindle before convert_threading_cycle.)
S500 M3 $1
G0 X1 Z0.1
G76 P0.05 Z-1 I-.075 J0.008 K0.045 Q29.5 L2 E0.045 $1
M30