Patent ID: 6993953

Claim:
A die, comprising: a lower block portion having an upper face, a front face, and a rear face, the upper face defining a first cavity therein; an impact plate juxtaposed on the upper face of the lower block and having an impacting surface facing away from the lower block and a swaging surface facing toward the upper face of the lower block, the swaging surface defining a second cavity therein configured to cooperate with the first cavity to form a swaging cavity, the swaging cavity having a tapered portion and a cylindrical portion, the tapered portion having an included angle within the range of from about 0.05 degrees to about 3.0 degrees, the impact plate being moveable toward and away from the lower block to vary the volume of the swaging cavity; a front plate configured to mount to the front face of the lower block and having one or more travel stops designed to limit the relative travel of the impact plate with respect to the lower block; a rear plate configured to mount to the rear face of the lower block and having one or more travel stops designed to limit the relative travel of the impact plate with respect to the lower block.