Grooved #60 flattening stone for levelling sharpening whetstones
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Grooved Flattening Stone #60

$42.00

Grooved #60 flattening stone for levelling Japanese waterstones and keeping sharpening surfaces accurate. Use with water to correct dishing on medium and finishing stones. Not for sharpening blade edges. Ships from Perth.

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Product Care

Japanese carbon steel tools stay at their best when they are wiped dry, kept clean of sap, sharpened before they become blunt and oiled before storage. Read the full guide.

 

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Description

Flattening stone for keeping waterstones accurate

The Grooved Flattening Stone #60 is used to level sharpening stones that have become hollow or uneven from use. A flat stone makes sharpening more predictable, especially on knives, chisels, carving tools and garden blades where bevel control matters.

The coarse surface removes stone material quickly, while the grooves help move slurry away and reduce suction. Use it with water, check your sharpening stone as you work, then rinse both stones clean and let them dry before storage.

Best suited to

  • Flattening medium and finishing waterstones
  • Maintaining a consistent sharpening surface
  • Knife, chisel, carving tool and garden-tool sharpeners
  • Anyone using waterstones regularly

What this stone is not for

  • It is not a sharpening or finishing stone for blade edges.
  • It is not a substitute for a coarse repair whetstone.
  • It should be kept away from fine stones during storage to avoid grit contamination.

Care expectations

Use with water only. Rinse after flattening, let the stone dry naturally in the shade and store separately from fine stones.

Use with the Naniwa Gouken Deluxe 1000 grit whetstone, the Naniwa Gouken Hayabusa 4000 grit whetstone, or browse all Japanese tool care and sharpening.

Specifications
  • Grit: #60 coarse for rapid truing
  • Material: Silicon carbide
  • Dimensions: 170 × 55 × 30 mm
  • Surface: Grooved pattern to reduce suction and clear slurry
  • Use: Wet only, for flattening coarse to medium waterstones
Maintenance

Rinse after use and allow to dry fully in a shaded area. Avoid prolonged soaking, direct sunlight or direct heat. Store separately from fine stones to prevent grit contamination.
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Frequently Asked Questions

What stones can I flatten with #60 grit?

Use it on waterstones, especially coarse to medium grits. For very fine stones, follow with a finer lapping surface if you want a smoother finish.

Do I use it wet or dry?

Wet only. Soak both the flattening stone and the waterstone before use. Work evenly across the full surface to keep edges square and avoid gouging.

How often should I flatten my waterstones?

Check with a pencil grid before each sharpening session. If the grid wears unevenly after a few strokes, flatten until the marks disappear for consistent contact.

Will the grooves scratch my stones?

No. The grooves help channel slurry and reduce suction. The #60 grit will leave a coarse surface that conditions the stone; a few normal sharpening passes refine it.

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