Machine shops with in-house black oxide in Ohio

Black oxide is a thin conversion coating on steel that gives a black finish with mild corrosion resistance and no dimensional change — applied in the shop.

State the material and the spec (MIL-DTL-13924), the oil or wax seal you want, and whether the finish must be uniform on a visible part.

The shops — 3

Each shop's verified black oxide fact is quoted from its own website; open the shop for every other capability on record.

• Accu-grind & MFG. Co. Inc.

  Dayton, OHBlack oxide (in-house)

  We also offer secondary operations such as heat treating, steel stress relieving, black oxide, paint, welding, and more. source

• Dcp Tool Manufacturing, LLC

  Dayton, OHBlack oxide (in-house)

  We offer black and clear anodize and black oxide on an as needed basis so we can expedite your rush job thru production. source

• Machine Pro Technologies, Inc.

  Celina, OHBlack oxide (in-house)

  We offer a multitude of outside services including but not limited to: Heat Treating, Grinding, Welding, Fabricating, Annodizing, Zinc & Chrome Plating, Black Oxide. source

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