Caswell black oxide kit?

I've heard recently that it holds up well, guess I'll have to bite the bullet and get some and experiment.
 
I've used another brand on machined parts I've made. Called Tool Black. You just degrease the part (helps to warm it somewhat) and then dip it in the blackening solution. After that, there is a sealer that you dip it in.

The finish isn't that durable and it isn't a presentation finish. It will look closer to the blackened finish you see on blacksmith tongs rather than like black chrome.

I'd buy a small amount to see if you like it. Precision Brand is the one you see in the Industrial Supply Catalogs.

George
 
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