M09
G00 G80 G28 G91 Z0.0
G69
M01

M00
N01 G20 G80
G00 G28 G91 Z0.0 T01 M06 (0.0853" DRILL)
G68 X0.0 Y0.0 R-90.0
M03 S3500
G00 G90 G40 G17