Diehl Steel's hollow bar, plates, cut pieces, and rounds


Tool Steel Supplier Since 1926

Diehl Tool Steel Tool Steel Products


Diehl Tool Steel Inc. is an international supplier of quality tool steel, alloy steel, CPM powder metal, mold steel, carbon steel, stainless steel and aluminum products and services.   We offer standard and custom cut and machined sizes for tool steel flats, bars, squares, sheets, plates, drill rod, hollow bar, and rounds.  Our focus is and has always been to serve the rapid turn-around needs of the tool and die, mold shop, machine shop, and O.E.M. industries.  In-stock tool steel ships in one to two days.  To complement our extensive product line, we offer numerous time-saving value-added services: