Air Chuck Uses Three Jaws for Gripping

Northfield Precision Instrument’s Model 700 air chuck features a 7" diameter and three jaws that grip the automotive “hub” to drill and chamfer the holes.

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Northfield Precision Instrument’s Model 700 air chuck features a 7" diameter and three jaws that grip the automotive “hub” to drill and chamfer the holes. A stop mounted to the chuck face has “air detect” holes for part seating confirmation. The stop is contoured and relieved to enable a chamfering tool to break the edge on the banking surface of the workpiece.