Zinc and black phosphate Services Needed

[robl72]

Does anyone know of a plating service that Black Phosphate coatings.

Thank you!

 

[70rrclone]

Caswell plating has a diy black oxide kit. It may work depending on your goals.
Black Oxide Kits - Caswell Inc

 

[Black_Sheep]

Done at home with Caswell black oxide, it's not difficult or terribly time consuming. Before and after photos...

 

[LowBikeMike]

I do Parkerixing at home. Incredibly simple.