Utilize the full spindle bore of your machine. The UB series of self contained air chucks allow just that. With the built in air cylinder there is no need for a separate actuator and drawtube. Built-in check valve in the chuck body will prevent the loss of grip force should air pressure be lost. Proven Kitagawa quality built in!
UB Series Three-Jaw Air-Operated Self-Contained Chucks
With a built in air cylinder there is no need for a seperate actuator and drawtube.