Nubatama Bamboo #15,000 (Upper Grade Hard)

$230.00

3 in stock

Why You Need This Stone: The Bamboo #15,000 Upper Grade Hard combines ultra-fine 15k grit polishing with an extra-hard, wear-resistant binder matrix. Resisting dishing under firm pressure, this stone enables laser-flat mirror bevel polishing and extreme edge tuning on high-hardness cutlery and precision edge tools.

Buy This Stone If:

You want an ultra-fine 15k mirror polish with maximum surface dish resistance.
You hone razors or high-hardness alloy cutlery demanding precise flatness.
You seek elite synthetic waterstones from the Ken Schwartz Estate collection.

Specifications

Brand: Nubatama
Grit: #15000 (Ultra-Fine)
Series: Bamboo (Upper Grade Hard)
Type: Splash & Go / Hard Bond
Dimensions / Profile: 210 x 75 x 25mm Flat
Binder Hardness: Extra Hard
Provenance: Ken Schwartz Estate

Notes & Usage

Common Tasks:
- Precision laser-flat mirror polishing on primary bevels.
- Extreme push-cut edge tuning on hard tool and carbon steels.
- Razor honing with zero surface deflection.
Cutting Action & Speed: Ultra-dense hard abrasive matrix holds flatness impeccably while producing a flawless mirror polish.
Surface Feedback: Solid, glass-like feedback with absolute zero surface give.
Steel Compatibility: Optimized for ultra-hard carbon steels, powder steels (SG2, ZDP-189), and razor alloys.

Progression Ideas

Preceding Step (Lower Grit): Nubatama Bamboo #8000 or #10000
Following Step (Higher Grit): None (ultimate ultra-fine synthetic finishing stage).

Also Consider

For Standard Hardness 15k: Consider the standard Nubatama Bamboo #15000 Upper Grade.
Essential Maintenance: Pair with a diamond flattening plate or dressing stone to keep the working face true and active.

Condition

Condition and box packaging as specified per variant selection (New in factory box or Used estate condition in odd box).

Note: Photos represent our stock inventory for this stone; individual box wear or color tone may vary slightly from the unit pictured. Reference objects (rulers, coins) are for scale only and are not included.

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.

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.