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Grinding stone Norton Crystolon 8"x2"x1" Fine (Norton Item No. FJB8) is an abrasive platform impregnated with a very dense oil with overall dimensions of 203x50x25mm. Norton Crystolon Fine whetstone is characterized by a low material removal rate. Norton Crystolon Fine - velvety matt Fine stone treatment achieves a cutting edge quality similar to most well-ground knives with a grain size of about 45 microns.
Along with one of the most famous stones from the company Norton from the United States of America India Oil Stone - Norton 8" Crystolon is no less popular among sharpening fans.
Unlike the India Oil Stones, the Norton 8" Crystolon JB8 series uses a silicon carbide grain, with the coarse, medium and fine grains slightly coarser than similar India Oil Stones.
The Norton 8" Pike Crystolon 8"x3"x1" stone series includes fine (Fine, Norton Item No. FJB8), medium (Medium, Norton Item No. MJB8) and coarse (Coarse, Norton Item No. CJB8) grits.
• The average size of the abrasive grain in the Coarse stone is about 130 microns (P120 according to FEPA classification).
• The average size of the abrasive grain in the Medium stone is about 80 microns (P180 according to FEPA classification).
• The average size of the abrasive grain in the Fine stone is about 45 microns (P320 according to FEPA classification).
The stone comes from the factory impregnated (impregnated) with oil. Norton's 8" Crystolon is made in Mexico. The geometry of the bar from the factory is good, the stone does not require additional alignment, as well as “cheering up” the working surface of the abrasive before the first use. Initially, the stone comes without radial chamfers on the edges (it is recommended to round the edges of the bar before the first use).
The stone bond of the Norton 8" Crystolon JB8 bar is hard, the stone holds the geometry very well, but at the same time has a very high metal removal rate. Works equally well with stainless, high alloy and carbon steels. The rule is easily removed with warm water or oil.
Although the stone is oily, it can be used with other coolants that have a lower density than oil to increase the rate of metal removal. For example, when working with water, the metal removal rate increases.


Country of origin
Norton Crystolon
Abrasive material
silicon carbide
Stone size
Polishing Lubricant
sharpening oil or water
700 g.
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