Edge thickness before sharpening?

[FiliKnives]

Hello!
Just to introduce myself; my name is Filip, I live in Croatia. Knife making is my hobby, I made around 20 knives untill now. Mostly hunting/bushcraft drop point knives.

My question is: What do you consider ideal edge thickness before making secundary bevel (final, sharp edge)?

I mostly use n690 stainless steel, 4mm thick (0.16"), flat grind.

 

[Stromberg Knives]

For hunters I go to about 0,1-0,2mm before sharpening.

 

[Robert Erickson]

Lately I've been going full flat to around 0.01" (0.25mm) then convex to near zero on hunters in that type of steel. N690, 3V, S35VN and 52100 are what I have been making hunters with.
I don't make a lot of Bushcraft knives but I would go a little thicker, 0.02" (0.5mm) before convex

 

[FiliKnives]

Thank you both for answer!
I like full flat with convex edge idea for hunters.

Robert, you make whole bevel slightly convex or just the edge?

 

[Robert Erickson]

Just the lower approx 1/2" (10mm). I have a rotary platen for my grinder that I use but doing it on a slack belt would work too.

 

[FiliKnives]

Thank you again. I will try that.