Universal Black Oxide (UBO) is North Carolina's premier metal finishing facility, specializing in black oxide finishing services and passivation services. We are conveniently located in Gastonia, NC - less than 30 minutes from Charlotte, NC, the home of NASCAR. 

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Our advanced black oxide coating process delivers superior corrosion resistance, enhanced abrasion resistance, improved lubricity, and a deep, uniform matt black finish that stays black longer thanks to our best-in-class sealer (tested to 180+ hours salt spray). 

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Stainless steel passivation (AMS-2485 compliant) removes free iron and enhances corrosion resistance and cleanliness for precision components. 

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Ideal for these industries and parts:

• Firearms and sporting goods

• Automotive and NASCAR components

• Aerospace and aviation parts

• Machinery, fasteners, springs, gears, hand tools, and specialty tooling

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We also offer secondary services including deburring & polishing, sandblasting, rust removal, and zinc stripping. All process are ROHS compliant and meet MIL-DTL-13924D Class 1 for black oxide on ferrous metals. 

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With over 40 years of experience, we process millions of parts annually while maintaining defect-free quality through controlled processes and a culture of continuous improvement. Trusted by Fortune 500 companies, NASCAR racing teams, small machine shops, and everything in between. 

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Seeing is believing - request a free prototype sample today and experience the difference. 

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For fast turnaround (same-day or 24-hour options on many orders), nationwide shipping via UPS/FedEX, pickup/drop-off services, or any questions, call us at (704) 867-1772 or email bevan.doyle@universalblackoxide.com.