This process increases corrosion protection and provides strong adhesion prior to painting. It also provides proper surface conditioning of the threads during pipe make-up.
Phosphate
Couplings, TTS6 Black, TTS6/8![](https://premierdrillproducts.com/wp-content/uploads/2023/04/Coating.jpg)
This process increases corrosion protection and provides strong adhesion prior to painting. It also provides proper surface conditioning of the threads during pipe make-up.