Blade grinds: Flat vs. Scandi vs. Convex.

July 20, 2021

Blade grinds: Flat vs. Scandi vs. Convex.

Hey Hey Hey knife enthusiasts and connoisseurs welcome to this week's installment of the RussianKnives Blog.

Today's topic is going to focus on grinds, grinds, grinds. We are going to focus on three of the grinds that are out there: Convex, Scandi, and Flat, as well and which are the best in different situations.

Let's go ahead and start with flat grind. This will be the most common grind that you are going to run into of the three. There are two main groups of the flat grinds, the full flat and the sabre flat grind. Full flat will slope from the spine and go all the way to the edge bevel, you can make this a thick or thin as you would like depending on the tasks that you have set for it. These grinds are fairly easy to produce in the field.

Relatively close to this grind is the sabre flat grind, which will leave a section of the knife unground. It will go from the spine to the sabre line then tapers down to the edge bevel. These knives serve great chopping and batoning, obviously for this type of adventure you will need one with a bit of weight to it. You will see these types of grinds on kitchen knives, everyday carry, and hunting knives. Here are flat grind knives

Moving on to the Scandi grind, this is an easy grind to reproduce and a great starter for a beginner. This grind has one grind to it that goes to zero, a downside is that you could grind it down too far and could lead to chipping. But this grind still leaves plenty of bulk to the knife to make it strong. Knives with this grind lend themselves nicely to woodworking, it will make short work for trap building and other survival tasks. Bushcrafters have been using this grind for years now and is still going strong. Here are a couple links of some scandi grind knives Beaver Knife Scandi Grind

 Beaver Knives

Lastly, we have the convex grind. As the name states the blade shape is convexed, so that makes for a strong blade as it has more material behind it. Blades with this grind have no secondary edge so they are very durable and will take a beating without chipping and rolling. These blades will hold the edge decently, meaning you won't have to sharpen them as often. Now for the drawbacks, in order to get the convex grind, you will need special equipment like a slack belt grinder or going truly old school and bring out the hammer and anvil. Because of that these blades will be on the more expensive side and are a labor of love. Here are some knives we offer with convex grinds.


Convex Grind


For my vote on which is better/ the best grind to have.... it's tough, I would have to go with the all of them, each grind has it place and jobs to do. I am a big proponent of you can never have too many knives 😊


Scandi Grind:

  • Easy to sharpen.
  • Great for any woodworking
  • Popular for bushcrafting knives.
  • Fragile edge not suitable for hard materials.

Flat Grind:

  • Very popular.
  • Easy to sharpen.
  • Great for many materials and tasks.
  • Knives with flat grind are very versatile knives.


  • Probably the best cut you can get.
  • Great for many materials.
  • Makes cutting edge very durable.
  • Makes thin blades twice as tough than other grinds on the same thickness
  • Cannot use standard sharpening stones.
  • Cannot sharpen regular way.
  • Will stay very sharp if you will use leather strip or ceramic rod after every use.

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