Shapton Glass Stone HR

Shapton GlassStone HR Series are premium Japanese ceramic waterstones designed for sharpening modern hard steels and high-alloy steels. Manufactured in Japan with the highest precision, they deliver fast metal removal, minimal wear, and consistent results.

Advantages

• Fast cutting and long lifespan.
• 5 mm glass backing ensures perfect flatness and allows full use of the stone.
• Uniform abrasive (WA — White Aluminum Oxide) with particle size deviation no more than 0.01 micron.
• Splash & Go — no soaking required, simply wet with water.
• Optimal for hard steels, stainless steels, and carbon steels.

Size & Construction

• Length — 8 1/4" (210 mm)
• Width — 2 3/4" (70 mm)
• Total thickness — 7/16" (10.5 mm)
• Abrasive layer thickness — 5 mm
• Abrasive — WA (White Aluminum Oxide)
• Weight — 360 g
• Packaging — cardboard box

Available Grits

120, 220, 320, 500, 1000, 2000, 3000, 4000, 6000, 8000, 10000

HR vs HC Series

• HR (High Resistance) — for hard steels, stainless steels, and high-alloy steels.
• HC (High Carbon) — for traditional carbon steels, Japanese tools, and straight razors.

Usage Recommendations

• Use with water only, no soaking required.
• Use a stone holder — the glass base can slide on the surface.
• For flattening: Shapton Diamond Glass Lapping Plate (500–30000 grit) or DMT Dia-Flat for coarse grits.

Shapton GlassStone HR Series — the choice of professionals and enthusiasts who value speed, precision, and a flawless finish.