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Boride Sharpening Stones are used for sharpening knives on Hapstone Pro sharpeners. Boride offers a wide range of stones with different performance values and different rates of wear. Boride stones are made of aluminum oxide, with the exception of CS-HD series stones, which are made of silicon carbide. All Boride stones are 6 mm thick and are mounted on high quality aluminum blanks. Stones that are 6 mm thick offer a longer life cycle than stock Edge Pro stones that are 3 mm thick and are becoming a community standard. Ā
RUBYĀ series stones are made of aluminum oxide and are high performance stones designed for roughing work. They are available only in coarse grain. RUBY 150 grit is in great demand for coarse sharpening and is included in Boride stone bundles.
Boride stones should be used with one of these lubricants:
In case of using the water as lubricant, soak the stone in water for 1-2 minutes. In case of using the oil, put a small amount (1-2 drops) of honing oil on the stoneās surface and spread it evenly over the stone with a finger. If the stone absorbs the honing oil, use larger amount of oil.
Boride Stones may have the following minor defects:
All these defects will be eliminated during preparation of the stone. The majority of sharpening stones requires preparation, and Boride stones are no exception. Additional lapping can be performed by customer to improve sharpening quality. We recommend to use loose silicon carbide powder or diamond lapping plate.
