Black Oxide Kits (For Dipping)

(6 reviews) Write a Review
4.00 KGS
Updated 26th February 2016:
Mountain View

Product Overview


A “Cold” Black Oxide Solution (similar to Parkerizing) Safely produces a firmly adherent black oxide coating on steel surfaces as an alternative to the hot caustic processes. 

Treated components are protected against corrosion for both internal and outdoor storage through the application of the De-watering sealing oil. Further protection can be added by an intermittent application of the SD Sealer or by periodically using a silicone wax or gun oil over the treated article.

If you looking for an aged Industrial look, that would be achieved by hand application then you will only need the Cold-Ox product, as these kits are for the dipping process for that would normally be associated with engineering parts or small parts that would fit into small buckets/tanks.

If you need the aged Industrial look on large items, please click here

This is no different to cleaning a gun, motorcycle or machine item and oiling it to maintain its efficiency. This process does not contain cyanides or organic complexants.  The coating is integral with the steel surface with no dimensional change.  It is ideal for the small or large volume user alike. Parameters are the same for treating one screw or one hundred thousand screws.  Safely and easily produces a rich black oxide coating on all types of Steel and Cast Iron except Stainless Steel, for Stainless Steel Blackening please click here

Hardened and High Carbon Steels can be treated without loss of strength or embrittlement.   The 4-litre SD Cold-Ox kit will cover at over 4 square metres per litre of concentrate or 36 square feet.  Dilute with tap water to make 4 times the volume of the concentrated solution.  

Kits contains all necessary chemicals for the job.  Please note the dilutions.  “Klene-OX ” Degreasing/ Cleaning Solution (use as is) – “Cond-OX” Metal Conditioner (dilute to 10% solution)– “Cold-OX” Black Oxide Solution (Dilute 25% solution) – “Seal-” Protective Sealer (use as is).

All Kits are available with Chemical resistant buckets with lids, as this product can be stored at room temperature and re used, for restocking you buy all these products on line


If you would like your black oxidising carried out for you, we are able to offer a service for production runs, dipping of large items, and hand applications, call or email for more information. 




Please note that our shipping prices are a higher than it would cost to send a normal parcel via the post, the reason for this is because any product that contains chemicals must be sent and packed as per the "hazardous goods" regulations, and be transported by a carrier that is licensed to be able to transport. we are unable to send by regular post as it is now a criminal offence to send undeclared hazardous goods, for postage rates please click on the tab above.


If you are a VAT Registered company in Mainland Europe, when completing the "New Account" form at checkout, as seen below, please enter your European VAT Number, it will then be verified direct with the EU Commission website, and you will not be charged VAT on your order.

(services are subject to the reverse charge and VAT is to be accounted for by the recipient as per Article 196 of Council Directive 2006/112/EC.)

For customers in Bosnia & Herzegovina, Gibraltar, Liechenstein, Norway and Switzerland, the invoice produced will automatically be free of VAT.




Warranty Information

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Product Videos


(6 reviews) Write a Review

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  • 4
    Cold Ox

    Posted by Unknown on 19th Jun 2017

    Works absolutely fine.

  • 3
    Not as good as expected.

    Posted by Brian Duncan on 23rd Mar 2017

    The product certainly turns steel darker, but more of a dark blue than a black (which is what I wanted). However it should be noted that this comment is based on one trial only. I plan to repeat this again in the near future. If a similar outcome transpires then contact will be made with the supplier to ascertain why.

  • 5
    Top quality

    Posted by Owen on 22nd Feb 2017

    The cold blackoxide kit is really easy to use and the finish qualiity was industry standard, I am very happy with the kit. Owen

  • 5
    Works Better than expected!

    Posted by Rob on 10th Oct 2016

    I purchased the black oxide kit to try on some steel brackets for an old house, having experience of anodising I wasn't expecting too much from this kit being a cold oxide, however I was pleasantly surprised, the process is very simple and produces a fantastic blacksmith black. The surface is easy to scratch, similar to a painted finish, however it looks much better than paint, much more natural. Im sure they will age fantastically. Buy a bigger kit than you think, the smaller kits are a pain to suspend parts in, especially if they are odd shapes, such as mine, you need to be ingenious. Highly recommended.

  • 4
    Works well but struggling to get consistency

    Posted by Neil Hussey on 1st Sep 2015

    I've had a couple of good results from this kit but a couple where it didn't take as well in parts. I've noticed that unless the part is scrupulously clean it doesn't take as well, might just be me though!! Quick delivery and great communications, would buy other products from here.

  • 4
    Kit, good enough. Customer Service, excellent.

    Posted by Jim on 27th May 2015

    I bought this kit as a possible alternative to a zinc-plating kit for components for a Classic Car rebuild. I've only tried it out on some small screws and brackets but it does a nice job and looks good. I also had cause to call and double-check some of the instructions and the help I got was fantastic. On this, alone, if the rust-prevention of this kit isn't good enough I'd look here first for a suitable electroplating kit.