O6670(THREAD MILLING 1/2-14 NPT) G109 L1 M901 G28 U G28 VW (4 FLUTE THREAD MILL 0.495@1.000 ADVENT 121412-1CSNPTZ) T3.3 M6 D9 G0 B90.0 G53.5 M200 G97 S2300 G99 F0.004 G68.5 X0 Y0 Z0 I0 J1 K0 R90.0 G0 Y0 X1.625 C90.0 Z2.5 M203 M8 M154 M210 M98 Q10 M98 Q20 M212 G0 C270.0 M210 M98 Q10 M98 Q20 M212 M205 M9 G69.5 G28 U G28 VW G28 B M202 M99 (PARAMETERS) ( A: RADIAL DISTANCE MILLING PLANE) ( B: BORING DIAMETER) ( C: PITCH) ( D: NOMINAL DIAMETER) ( E: TAPER IN PERCENT) ( ROUGHING ) N10 G65 P9010 A1.7 B0.722 C1/14 D0.828 E6.25 M99 ( FINISHING ) N20 G65 P9010 A1.7 B0.722 C1/14 D0.838 E6.25 M99 N1 #3000 = 1 (PARAMETER MISSING) N2 #3000 = 2 (PARAMETER ERROR)