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Premium CBN Honing Stones are high-performance abrasives designed specifically for Sunnen honing machines and mandrel systems. Utilizing Cubic Boron Nitride (CBN) abrasives—ideal for hardened ferrous materials like tool steels, cast iron, and alloys—these stones deliver exceptional durability, precision, and surface finish quality. Paired with Sunnen-compatible mandrels, they are engineered for critical applications in automotive, aerospace, and manufacturing industries.
Exceptional Durability
CBN abrasives offer 20-50x longer lifespan than conventional stones, reducing downtime. Metal bond matrices provide superior abrasive retention.
Precision Performance
Achieves surface finishes up to Ra ≤ 0.05 µm and tolerances within ±0.001 mm, ensuring optimal bore geometry.
Thermal Stability
Withstands high temperatures without degradation, suitable for wet or dry honing applications with standard coolants.
Customization Flexibility
Available in grit sizes #80-#1000. Tailored dimensions to fit Sunnen mandrels including BL10, CK, CV, and DH series.
| Parameter | CBN Honing Stones | Sunnen Mandrels |
|---|---|---|
| Abrasive Type | Cubic Boron Nitride (CBN) | N/A (Tool Holder) |
| Grit Size Range | #80-#1000 | N/A |
| Bond Type | Metal, Vitrified, or Resin | Steel, Carbide, or Bronze |
| Dimensions | Customizable | Compatible with Sunnen series |
| Mandrel Compatibility | DH, CK, CV Series | Custom designs available |
Seamlessly integrated with Vertical and Horizontal Honing Machines. These tools are indispensable for:









