Grinding Stones
Professional sharpening stones for precision edge restoration. Choose between diamond-embedded bars for extreme durability or aluminum oxide stones for traditional sharpening excellence.

Diamond Stones
Set of four precision-engineered diamond stones with monolayer metal bond. Diamonds evenly distributed throughout the volume ensure consistent sharpening performance and exceptional longevity.
Technical Specifications
$84.99
Set of 4 stones
Stone Comparison
| Feature | Diamond Stones | Aluminum Oxide |
|---|---|---|
| Material | Diamond + Copper-tin bond | Aluminum oxide |
| Size (mm) | 150 × 25 × 3 | 160 × 25 × 6 |
| Grit Range | Various (4 stones) | 200 / 400 / 800 / 1500 |
| Durability | Extreme | High |
| Best For | Industrial, carbide | General purpose |
| Price | $84.99 | $36.99 |
How to Use Sharpening Stones
Prepare the Stone
For aluminum oxide stones, soak in water for 10 minutes. Diamond stones can be used dry or with light oil.
Set the Angle
Maintain consistent angle: 15-20° for knives, 25-30° for tools.
Start with Coarse Grit
Begin with 200-400 grit to establish the edge.
Progress Through Grits
Move to finer grits: 400 → 800 → 1500 for polished edge.
Use Smooth Strokes
Apply even pressure along the entire blade length.
Clean & Store
Rinse aluminum oxide stones, wipe diamond stones clean.
Stone Care & Maintenance
◇ Diamond Stones
- Can be used dry or with light oil
- Clean with soft brush and water
- Do not require flattening
- Store in protective case when not in use
◇ Aluminum Oxide Stones
- Soak in water before use (10 minutes)
- Clean with water only, no soap
- Flatten surface periodically with flattening stone
- Dry completely before storing

