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How do you test sharpnes of a knife?

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Anonymous

13y ago
Updated: 8/17/2019

Well; there are several ways, some obviously being much safer then other methods. I'll list them in order from safest to least safest:

Use a sharpness tester, which is a rod shaped metal object that is moved gently move across the edge. The smoothness of it indicates the sharpness.

Simply do test cuts..a properly sharpened knife should glide or chop evenly through the material. (Paper, leather, rope, etc..certain materials would be more suitable for specific knife. Ex: You should test cutlery sharpness by cutting meat and vegetables. )

Shave testing could be done-which is what many knifemakers do, if properly sharpened..the knife should pop the hairs off the arm.

Fingernail test-if properly sharpened, the knife should start cutting into the fingernail with minimal to no pressure applied. Obvious care is needed for this method, as the knife could easily cut deeper into the fingernail then intended.

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Wiki User

13y ago

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