Nubatama Bamboo #180 (Black)

Nubatama Bamboo #180 (Black)

$70.84
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Nubatama Bamboo #180 (Black)

Nubatama Bamboo #180 (Black)

$70.84
1 in stock

A black coarse brick that cuts about as fast as the 150 but feels considerably smoother doing it, and draws far less water.

Feature Specification
Brand Nubatama
Type Synthetic
Grit #180 (Extra Coarse)
Series Bamboo (Black)
Binder Hardness Standard
Profile 205 × 75 × 50mm Brick

Buy This Stone If You're

  • Repairing damaged edges and wanting a smoother feel than a 150 gives.
  • Working somewhere the 150’s thirst for water is a nuisance.
  • Wanting a coarse stone that resurfaces cleanly on an Atoma when it loads up.

Water

Nubatama range stones should not be permasoaked. Let dry fully before storage; coarse stones hold water a long time.

Progression Ideas

  • Preceding Step (Lower Grit): Nubatama Bamboo #120, or the Ume #60 for heavier damage.
  • Following Step (Higher Grit): Nubatama Bamboo #220 Black, or a 320-grit stone.

Ken Schwartz Video

Notes

  • Slightly harder than the Ume 180, which is muddier and leans towards coarse naturals.
  • Don’t soak it endlessly — these coarse stones are porous, so start sharpening and let mud build.
  • Owners rate it as durable; one survived a fall onto a concrete floor with only a chipped corner.

Read More

Condition

  • Stone: New and unused.
  • Packaging: While our inventory is new, the original packaging may show minor shelf wear, scuffing, or external softening due to warehouse storage and handling over the last five years. Internal protective wrapping (plastic or paper) may show signs of handling, minor tears, or may occasionally be absent—this never affects the condition of the stone itself.
Shipping

Orders are typically processed and shipped same day from Santa Maria, CA.

Every stone ships in a new, high-quality box, individually wrapped in bubble wrap and packing paper for maximum protection in transit.

Please reach out with any questions before or after purchase — happy to help.

Return policy

At Pacific Waterstone, we stand behind the authenticity and quality of every stone we sell.

Incorrect or Mislabeled Items
If you receive an item that is mislabeled, damaged, or significantly mischaracterized in its listing, we will make it right. You may return the item for a full refund or exchange with no restocking fees, and we will cover all return shipping costs.

Standard Returns
If you change your mind or wish to return an item for any other reason:

  • Returns are accepted within 14 days of delivery.
  • Items must be returned in their original, unused condition with all original packaging.
  • A 10% restocking fee applies to cover processing costs.
  • Return shipping costs are the responsibility of the customer.

To initiate a return, please contact us with your order number and the reason for your request.

Provenance

Everything we carry comes from the personal collection of Ken Schwartz — the sharpener behind Precise Sharpening, who built the Nubatama line and gathered the naturals that sat beside it on his bench. The synthetics are new and unused. The naturals were his.

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