M72 Inside chuck clamp

Mazak (EIA) M-code · Mill and lathe

Engage the clamping mechanism for the inside portion of the chuck jaws.

Machine builders set many M codes, and they change by model and options. Check the M code list for your machine.

M72 on other controls

The same number can mean something different on another control.

Control	Meaning
Doosan (Fanuc)	Spindle convert rotation direction
DMG Mori MAPPS (Fanuc)	Chip removal coolant ON
Okuma OSP	ATC unit position at approach position
LinuxCNC Tormach	Restore modal state
Swiss (Citizen Star)	Back spindle air blow on (Citizen)

Every M-code for Mazak (EIA) in your pocket. The app has the full example programs, search by number or shop word, a line decoder and calculators for tapping, threading and drilling.

Open M72 in the app All Mazak M-codes

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