All of our work is guaranteed

   Semi-automatic coating machines

 Specialty drying machines

We use the patented Nickel Pentrate in the application of our high quality coating.

Nickel Pentrate contains a controlled quantity of nickel salts in its formulation. In the chemical process of oxidation, the nickel becomes an integral part of the Black Oxide surface of the metal treated. The nickel in our Black Oxide finish retards the rate and spread of corrosion of both oiled and unoiled surfaces.

Standard Taber Abraser tests conducted on the Nickel Pentrate finish have shown an increase of 10 to 20% in its resistance to abrasion and wear when compared to regular Black Oxide finishes available on the market today.

Pentrate Metal Processing, Inc. also provide Zinc Phosphate coating and Passivation of stainless steel.

Two production shifts per day provide an excellent and speedy turnover.

The shipping and receiving departments are open from 6:30 AM to 6:30 PM for your convenience.

Some of the products we process:

  • Springs
  • Stampings
  • Fasteners
  • Nuts
  • Bolts
  • Washers,
  • Machining tools
  • Hinges
  • Tubing
  • Buckles
  • Firearms, etc.

Permits issued by US-EPA, CAL-EPA, LAPD, LAFD, US-ATF, SCAQM, CIty of LA- Bureau of Sanitation & the State Board of Equalization.


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