Ohio Custom Dies has over 40 years experience in the die making industry, offering competitive pricing and exceptional customer service. We design and manufacture Aluminum Extrusion dies from 4″ diameter to 22″ diameter and support tooling . Our die designs include reversed dome and mandrel, recessed dies for multi-cavities, multicore dies, shut off dies, and small core dies. In addition to building custom extrusion dies, we also offer Extrusion Die consultation.