Cast (proof)

Any reproduction of a dieThe machined recess in a die that gives the forging its shape. cavityThe machined recess in a die that gives the forging its shape. in any material, frequently lead, plaster or epoxy, used to confirm the exactness of the cavityThe machined recess in a die that gives the forging its shape.. See Die ProofA casting of the die impression made to confirm the exactness of the impression..