Three-jaw solid pneumatic chuck.This is a state-patent product with independent intellectual property.Connecting way of this chuck and sSocket & Outlet pindle is in accordance with relative national standards. Without need of changing machine tool structure, the user only needs to install flange with corresponding size of the chuck.With chuck body itManufacturing & Processing Machinery self as cylinder anStamping d internally-installed piCutter & Tongs ston, the chuck carries out clamping and loosing action by controlling devices in spindle end.This chuck is solid chuck with the advantage of strong clamping.The chuck is applicable for processing of gearElectronic Instrument s, disc-type parts and short shafts.