Machine tools for positioning and holding machine work materials, and for positioning and holding work material cutting tools including: collets; chucks including air chucks, collet chucks, gear chucks, diaphragm chucks, and indexing chucks; holding mandrels including expanding mandrels; holding sleeves including expanding sleeves, and segmented sleeves; indexing fixtures including speed indexers; spacing fixtures; fail safe fixtures including fail safe air cylinders; tap and reamer tool holders; drill bit tool holders, and boring bits, boring bats, boring heads, boring cartridges; taps; reamers; drill bits and drill blades; and, parts and accessories for all of the foregoing machine tools; all of the foregoing goods being in Class 7