This Copper Nozzle Holder is the piece that the nozzle threads into in the lower section of the nozzle body of the Non Contact Cutting Head on a Mark II or NTX. The Set Screw (M106S0) on top is not included. It is held inside the Aluminum Body (M103A0) and it's shape is compatible with the teflon isolator (M107T0). This piece has a shape that should not be confused with the Copper Nozzle Holder (M105U1) that is used with ceramic isolators.
Mazak® Part # 46683300850