250 mm radial CBN wheel set



Abrasive: Cubic boron nitride (CBN)

All aluminium

3 in stock


Our high-quality 250 mm radial CBN wheel set.

The set includes:

1 x #400 grit
1 x #1000 grit

For sharpening concave, convex and recurve (S-edge) blades, you will need two Radial CBN Wheels: bevel on #400, and set edge on #1000.

We do not use coarser radial CBN Wheels, because the higher pressure per point makes coarser wheels less suitable for sharpening concavities in curved knives.

Our CBN wheels can be run with common running water from your house or workshop tap thanks to the special embedding technology. Note that if you run CBN wheels of other makers with water, the CBN coating may detach from their wheel base.


Cubic boron nitride (CBN) properties include extreme hardness, stability under heat, and superior chemical resistance.

Cubic boron nitride is the second-hardest known material on the planet (after diamonds), but has higher heat and impact resistance than diamonds, and therefore CBN is preferred over diamond in industrial applications


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