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How Do You Sharpen a Nakiri Knife?

Most nakiri knives are double bevel, so sharpen both sides of the edge on a suitable whetstone while following the knife’s existing bevel geometry.

1. Confirm the edge construction

Before sharpening, verify that the knife is actually double bevel. Traditional single-bevel vegetable knives need a different method.

2. Prepare the stone correctly

Follow the stone manufacturer’s instructions. Some stones require soaking; others only need water on the surface.

3. Follow the existing angle

Do not chase a universal sharpening angle. Place the bevel on the stone and maintain the angle already established on the knife as consistently as possible.

4. Work the first side

Use light, controlled strokes along the full edge. Continue until the edge is even and you can detect a very small burr on the opposite side.

5. Sharpen the second side

Repeat on the other side, keeping pressure and coverage balanced. Avoid building a large burr because excessive metal removal is unnecessary.

6. Deburr

Use very light alternating strokes and, if appropriate, a finer finishing stone to remove the remaining burr.

7. Rinse and dry

Clean the blade and dry it immediately, especially if it contains carbon steel.

What if the edge is chipped?

Small chips can often be removed during sharpening, but a deep chip may require substantial thinning or professional repair.

Read Japanese Knife Sharpening Guide.

More articles

Can a Whetstone Damage a Japanese Knife?

Yes, a whetstone can damage a knife if used incorrectly: the wrong angle, excessive pressure, an unnecessarily coarse stone, poor single-bevel technique or uneven grinding can remove too much steel or distort the edge.

What Grit Do You Need for a Very Dull Knife?

A very dull knife may need a coarse stone if a medium stone would take too long to rebuild the apex. For heavy dullness without major damage, start only as coarse as necessary, then refine on a medium stone.

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