Details
Brand
Venev Industrial Diamonds
Series
Unicorn
Form Factor
6" Dual Sided
Backing
CNC milled aircraft-grade aluminum alloy plate
Abrasive
Cubic Boron Nitride
Binder
В2-01 & В2-01М - Boron-modified phenolic resin composite. OSB - Non-abrasive phenolic resin composite.
Recpmmended Routine
Water
Grit Rating 📊:
Extra Coarse Coarse Medium Fine Extra Fine Ultra Fine
Available Grits:
F80F150F240F400F800F1200
Grit Scale:
F Grit (FEPA-F)
Abrasive Standards:
FEPA-F (grit designation) and GOST 9206-80 (regional standard)
Description

Venev Unicorn³ Series Dual-Sided Resin-Bonded CBN Stones are designed for use in sharpening systems such as Hapstone and TSProf, as well as for freehand sharpening. CBN (Cubic Boron Nitride) is the second-hardest material after diamond, offering exceptional wear resistance and thermal stability. CBN sharpening stones provide excellent performance when working with high-alloy, powder, and hardened steels.

The Unicorn³ Series represents Venev’s premium-tier dual-sided stones, featuring 3mm CBN-bearing layers bonded to a CNC-milled aircraft-grade aluminum alloy plate. The CBN-bearing layers contain evenly distributed CBN grains within a resin bond. The abrasive layer thickness in the Unicorn³ Series is twice that of the Centaur Series.

Grits F80F240 utilize a wear-resistant boron-modified phenolic resin composite binder (legacy binder). Grits F400F1200 use a proprietary non-abrasive phenolic resin composite binder (OSB binder), providing scratch-free sharpening results.

All Venev CBN stones use FEPA-F grit classification.

⚠️ Attention: Due to the increased thickness of 14mm, Unicorn and Unicorn³ Series stones are not compatible with any stone cases currently offered. The only suitable storage option for the Unicorn Series is the Roll Bag for 6 stones.

How to use
Venev Diamonds are recommended for use with water as a lubricant to achieve the best tactile feedback. The diamond itself does not absorb water. Simply splash a small amount of water onto the stone’s surface. Dry use is also acceptable; however, it leads to faster wear and quicker stone loading.
About Venev Products
Metallic Binders (MMC)

M2-01 - Copper-tin bronze alloy.

MS-1 - Metal-matrix composite (MMC) - Copper-tin bronze alloy reinforced with silicon carbide.

MB-1 - Metal-matrix composite (MMC) - Copper-tin bronze alloy reinforced with boron carbide.

MS-1A - Metal-matrix composite (MMC) - Aluminum-copper alloy reinforced with silicon carbide.

Resin Binders

B1-10 - Boron-modified phenolic resin (BPF) composite - Made of powdered bakelite, copper additive

B2-01 - Boron-modified phenolic resin (BPF) composite - Made of liquid bakelite, iron additive (softer than В1-10)

В2-01М - Boron-modified phenolic resin (BPF) composite - Made of liquid bakelite, copper additive (softer than В2-01)

OSB (OCB) – A proprietary phenolic resin composite.

(OSB and OCB refer to the same binder; the difference arises from a transliteration quirk of the Cyrillic “ОСБ,” which can be rendered as either “OSB” or “OCB” in Latin script.)

Venev Product Matrix

 

Code Diamond Series CBN Series Dimensions Bond Class
CBR Cerberus 100×17×10×2×2 Resin Dual‑sided Premium
UMI Ursa 150×16×10×1×1 Resin Dual‑sided Standard
CEN Centaur Centaur³ 150×25×10×1×1 Resin Dual‑sided Standard
CMA Greater Dog 98×40×10×1×1 Resin Dual‑sided Standard
PHE Phoenix 200×83×10×1×1 Resin Dual‑sided Standard
DRA Dragon 200×83×12×2×2 Resin Dual‑sided Premium
SCO Scorpion 100×25×8×2 Resin Single‑sided Mounted
ORI Orion Orion³ 150×25×6×3 Resin Single‑sided Mounted
SGR Archer 𝘎𝘦𝘯𝟤⌛ Archer³ 150×25×3 Metallic Single‑sided Variative
GEM Gemini 𝘎𝘦𝘯𝟤🚀 150×12×3 R40 Metallic Single‑sided Mounted
SCL Sculptor⌛ 150×12×3 Metallic Single‑sided Mounted

Resin Dual Premium Resin Dual Standard Resin Single Mounted Metallic Dual Solid Metallic Single Mounted 🚀 Released ⌛ Soon

Dimensions notation.
Monolayer solid abrasives have 3 numbers: length × width × thickness.
Single-sided abrasives with backing have 4 numbers: length × width × full thickness × thickness of abrasive.
Dual-sided abrasives have 5 numbers: length × width × full thickness × thickness of abrasive #1 × thickness of abrasive #2 (both sides)
If thickness is variable, the minimum thickness is noted.
For curved abrasives, a radius of curvature inmm is added: R40.

Grand Logarithmic Grit Chart
Questions and Answers