... predictable die wear Polycrystalline Diamond Wire Drawing Dies PCD - Polycrystalline diamond dies When die life and wire production efficiency ... finish, consider a PCD wire die. PCD wire dies are manufactured with polycrystalline diamonds, a durable synthetic material ... problem, butsurface finish is less critical. Typical MarketsAluminum wire, copper wire, stainless steel wire, tire cord, welding wire, ...