Shapton Pro (Kuromaku) Aluminium Oxide Sharpening Stones
Shapton Pro (Kuromaku) sharpening stones are used for sharpening knives on Hapstone knife sharpeners. Shapton Pro is a high-end series from Shapton made of aluminium oxide with the magnesia binder. The magnesia binder gives Shapton Pro excellent sharpening quality and performance, and high wear resistance.
All Shapton Pro stones are 6 mm thick and are mounted on high-quality aluminium blanks.
Shapton Pro series stones are universal and can be used to sharpen knives of any steel including high carbon, vanadium, and chromium steels.
Shapton Pro stones are preliminarily lapped and do not require lapping after purchase.
Shapton Pro should be used with water as a lubricant. Do not soak Shapton Pro stones in water for more than a few seconds. Just splash, or use a water spray. Never store stones in water. Never dry near heat.
All grits are in JIS (see table below to convert to FEPA)
- SHAPTON Coarse Stone white (grinding), (120 grit)
- SHAPTON Sharpening Stone orange/ (sharpening) (1000 grit)
- SHAPTON Sharpening Stone blue/ (sharpening) (1500 grit)
Grain table:
on a scale FEPA-F
(America) |
Grain size
in microns |
on a scale FEPA-P
(Europe) |
on a scale JIS
(Japan) |
F150 | ~110 μm | P180 | J150 |
F220 | ~55 μm | P240 | J240 |
F400 | ~20 μm | P800 | J600 |
F600 | ~10 μm | P2000 | J1500 |
F1200 | ~3 μm | P8000 | J5000 |
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