If the machine is ridged enough, Pacemaker, Powerturn, Axelson and such, I have been able to use cheap CNMG 432 inserts. A fellow I know uses a ceramic insert on a lighter import machine with good results.
What we need is a shoulder that a seal can be slid over, and a product that looks good "never underestimate that".
Any other way of finishing, or breaking the edge of the shoulder reveals the copper plated layer, and it looks weird, and takes more time to do it.
If possible it is easier to use "chrome plated not induction hardened", but the IHCP has a hard layer maybe .060 or more, then this nasty gooey core, that is tough, but does not finish well.
When I described rolling over the chrome into a facing cut is what you see when looking at a factory Caterpillar hydraulic cylinder rod, nice edge.
eKretz mentioned something I run into sometimes ",bad material" good IHCP or similar is very expensive!