1. G Function Description
F1000. S500;
M03; // start the drill to turn CW
G90;
G00 X0. Y0. Z10.; // positioning to initial point
G17;
G90 G99;
//set the R point, Z point and hole 1, cutting rate 2.0
G73 X5. Y5. Z-10. R-5. Q2.;
X15.; // hole 2
Y15.; // hole 3
G98 X5.; // hole 4, and return to initial point
X10. Y10. Z-20.; // hole 5, and set new Z point be -20
G80;
M05; // stop drill
M02;
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