Fast peck drill.
G73 <X> <Y> R Z <H> <Q> <E> <D> <P> <F> <S>
G00 X0 Y0 Z10 G98 G73 X0 Y0 R1 Z-15 H1 Q2 E6 D0.5 P0.5 F2100 S750 X10 X20 X30
G81, G82, G83