Ran across something a while back over at The High Road, a guy tried using engine paint on a .22 revolver to give it a good finish. Which led to some questions and information. So, along with something else(that story later) I'm giving something a try on a knife.
Specifically, a bayonet being cleaned up and painted with header paint. Couple of people mentioned they'd had very good results with it on firearms, which made me wonder how it'd hold up on a blade. So:
Bayonet after being sharpened and degreased
The stuff I picked up said to do a light coat, wait ten minutes, light coat, ten minutes, then a medium coat; can touch in 1 hour, handle in three. Three hours later,
This has to dry for one week, then be baked to fully cure(ceramic in the mix, and no, I don't know how this one works). So in a week I'll bake it, then start using it for some things and see how the finish holds up.