ASME B5-8 pdf download CHUCKS AND CHUCK JAWS 6 BODY DIMENSIONS AND MASTER JAW DIMENSIONS OF CLASS II DRAW-BAR OPERATED CHUCKS Table 4 gives the body dimensions and master jaw dimensions of Class II draw-bar operated chucks. The tops of the master jaws are above the face of the 4 chuck bodies for all sizes. Mating dimensions of top jaws...