Diehl Tool Steel

800 E Ross Ave
PO Box 17010
Cincinnati,  OH  45217

United States
  • Booth: 1037

Since 1926, The Diehl Tool Steel Company, a Subsidiary of Hitachi Metals America has been providing high quality tool steels, alloy steels, mold steels, stainless steels, CPM and matrix high speed steels. With our extensive supply of quality products, state-of-the-art saw cutting, duplex milling and grinding equipment, we have the capability to process the most demanding requirements.

Flat Ground Stock, Drill Rod, Squares, Blocks, Plates, Rounds... no size is out of our capacity.

With our Accu-Square Program, our duplex milling machines offer close tolerance, square and parallel blocks to exact customer tolerance specifications. This valuable time saving and cost effecient program has proven to streamline customers business. There is no job too large or too small we cannot handle.

We have extensive experience as a supplier to industries that specialize in tool and die, stamping, mold-making, die casting, machining and general metal-forming.

Looking for some H-13 Rounds or flats? We are a direct mill source for Premium quality H-13 in the U.S.

We look to revolutionize the steel industry with some of our new products. Stop by and see for yourself!


  • YXR33 / YXR7
    Matrix High Speed Tool Steel with better toughness characteristics to prevent cracking in your punches or tooling. Newly developed products offer extended tool life by providing improved wear resistance through increased hardness and toughness.

  • YXR33 is a unique bridge material between conventional tool steels and powdered metallurgy

    High Alloy Matrix-type steel with high toughness. Excellent strength and wear resistance at elevated temperatures. Outstanding erosion resistance. Offers exceptional solutions for abrasive wear/adhesive galling. Superb base material for any P.V.D. or Secondary Surface Treatment


    Matrix high speed steel type. Upgrade from conventional AISI-S7 with superior strength/toughness. Increased toughness vs. typical high speed steel types

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