# Primary grind

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{{One source|date=April 2025}}

The '''primary grind'''<ref>{{cite web |title=Blade Grinds |url=https://www.ragweedforge.com/grind.html |website=ragweedforge.com |access-date=16 April 2025}}</ref> is where a [knife](/source/knife) first begins to narrow into a cutting edge from the thickness of the main stock of the [blade](/source/blade). The cross-sectional shape of the blade of a knife or [sword](/source/sword) is made up of different planes, or grinds. The sharp, cutting edge of the blade is often further ground at a secondary, or 'edge', bevel. This allows the blade to have more functions than otherwise possible with a strictly wedge or chisel shape.

The [Swiss Army Knife](/source/Swiss_Army_Knife) is an example of a knife with a primary bevel and an edge bevel. By contrast, a blade composed of a single flat grind from stock thickness to the cutting edge is known as a 'full flat ground' blade. The cutting properties of a blade are determined by the type of metal, the hardness of the blade, and the grinding pattern (e.g. convex, concave, teardrop).

==References==
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Category:Knives

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Adapted from the Wikipedia article [Primary grind](https://en.wikipedia.org/wiki/Primary_grind) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Primary_grind?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.