8″ × 3″ × 1/8″ (200 × 70 × 3 mm) Poltava Premium CBN Bench Stone (Metal Bond) — Unmounted
Key Features
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Material: CBN (Cubic Boron Nitride) — offers an excellent price-to-performance ratio when sharpening steel, outperforming diamond and lower-cost alternatives.
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CBN is a general term for this material and may also be known as Borazon or Elbor, depending on the manufacturer.
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Bench stone format (unmounted): supplied without aluminum blank or backing, allowing custom mounting or direct use on flat surfaces.
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Metal bond matrix ensures high wear resistance and long-term durability.
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Extended service life: lasts dozens of times longer than traditional Japanese whetstones.
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Dry or lubricated use: can be used without oils or fluids; however, light lubrication may improve sharpening comfort.
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Copper-tin metal bond with 100% concentration of graded CBN powder for consistent and reliable performance.
Product Description
Take your sharpening to the next level with the Poltava Premium CBN Bench Stone (Metal Bond), unmounted version, developed for professionals and enthusiasts who prefer full control over their setup.
Manufactured from high-quality cubic boron nitride, this stone delivers outstanding efficiency when sharpening steel, offering superior price-to-performance compared to diamond stones and conventional abrasives. Its durable metal bond structure provides excellent wear resistance, ensuring consistent results over an exceptionally long service life.
This blankless (unmounted) version is ideal for users who want to mount the stone on their own base, integrate it into custom sharpening systems, or use it directly on a flat surface. With no aluminum backing included, it offers maximum flexibility for advanced sharpening setups.
Forget frequent stone replacements — the Poltava Premium CBN Bench Stone is built for precision, durability, and confidence with every stroke.
⚠️ Important Note
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This product is supplied WITHOUT aluminum blank / backing.
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Stone only (unmounted).
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