Thanks! It is a self-proclaimed “discarder” Shieldon Knives channel! This time I would like to dig deeper into il mondo dei coltelli. The theme is about “secondary bevel”. Sometimes I want to write such a maniac article.
What is a secondary bevel?
It’s also called “micro bevel” or “thread blade”. Bevel means “tilt” in English, and in knife terms it refers to the state of being tilted from the back to the edge. In other words, the secondary bevel is the second slope.
This is the secondary bevel.
Meaning of attaching a secondary bevel
Some people think, “I don’t need a secondary bevel!”, But I think I need it. There are two reasons. It increases durability, and easy to sharpen.
Increases durability
As explained above, a blade with a secondary bevel has a blunter angle than a blade without it. A blunt angle means that it is inferior in sharpness, but conversely, it is less likely to turn over or chip and it will be more durable. To be honest, even if the angle is a little dull, it will cut if you sharpen it. And Coltelli EDC don’t need the sharpness of sashimi knives. A blade that does not lose its sharpness even after buttoning is 100 times more important.
Easy to sharpen
In “Scandinavian grind” represented by Mora knife, it takes a little time to sharpen because the area that hits the grindstone is large. But with a secondary bevel, the surface to be sharpened is less than 1mm. It will be difficult to fix the blade, but once you get used to it, you can sharpen it again.
Summary Secondary bevel is required
In view of the above, a secondary bevel is still necessary. However, it is difficult for beginners to sharpen the secondary bevel suddenly, so I think it is okay to do it at first. But if you’re used to sharpening, or if you’re worried about single bevel flipping or chips, you’ll be happier with a secondary bevel.
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