NEED HELP WITH MULTI HOLE DRILLING

[BEVAN]

WHAT G CODES WOULD I USE ON A FANUC OM FOR HOLE PATTERN CYCLES?

[Perfect Circle]

Here is a 3" dia. BC with .25 dia holes eq. spaced 8 times Center Drill and Drill

(BEGIN PREDATOR NC HEADER)
(MACH_FILE=HAAS - 3XVMILL.MCH)
(MTOOL T1 S4 D.25 H5. A90. C0. DIAM_OFFSET 1 = .125)
(MTOOL T2 S4 D.25 H5. A118. C0. DIAM_OFFSET 2 = .125)
(SBOX X0. Y0. Z-1. L5.287 W4.7877 H1.)
(END PREDATOR NC HEADER)

%
O100
(PROGRAM NUMBER)
(PROGRAM NAME - CNCZONE FANUC 0M HOLE PAT.NC)
(POST - FANUC 0M)
(DATE - FRI. 12/03/2010)
(TIME - 12:15PM)

N01 G90 G80 G40 G20 G17

N02 G00 G91 G28 Z0.
N03 G91 G28 X0. Y0.

(JOB 1 HOLE RANDOM POINT PATTERN)
(FEATURE DRILL HOLE)

N04 T01 M06
N05 S1497 M03
N06 G90 G54 X5.287 Y3.2877
N07 G43 H01 Z.1 M08
N08 G81 G98 X5.287 Y3.2877 Z-.08 R.1 F5.9893
N09 X4.8477 Y4.3484
N10 X3.787 Y4.7877
N11 X2.7264 Y4.3484
N12 X2.287 Y3.2877
N13 X2.7264 Y2.2271
N14 X3.787 Y1.7877
N15 X4.8477 Y2.2271
N16 M09
N17 M05
N18 G00 G91 G28 Z0.
N19 M01

(JOB 1 HOLE RANDOM POINT PATTERN)
(FEATURE DRILL HOLE)

N20 T02 M06
N21 S2505 M03
N22 G90 G54 X5.287 Y3.2877
N23 G43 H02 Z.1 M08
N24 G81 G98 X5.287 Y3.2877 Z-.6251 R.1 F20.0459
N25 X4.8477 Y4.3484
N26 X3.787 Y4.7877
N27 X2.7264 Y4.3484
N28 X2.287 Y3.2877
N29 X2.7264 Y2.2271
N30 X3.787 Y1.7877
N31 X4.8477 Y2.2271
N32 M09
N33 M05
N34 G00 G91 G28 Z0.
N35 G91 G28 X0. Y0.
N36 T01 M06

(END OF PROGRAM)

N37 M30
%

Hope this helps you
Good Luck~!