Abstract: A horizontal hydraulic bar stock shear is disclosed having three spaced bolsters which are clamped toward each other by four tie rods. A piston and cylinder actuator is located on one side of a central bolster and a die set assembly is mounted on the other side of the center bolster. A pair of mounting yokes are provided adjacent to the associated bolsters and the die set elements are clamped at their ends against such yokes. The end-clamped elements include a pair of side plates which laterally locate the dies. A manually removable cover assembly closes the upper side of the dies and the dies are supported on spaced rails which provide openings through which debris can fall out of the die assembly.