Used for ultra-precision honing of deep holes, reduces surface roughness and improves the finish of the inner hole.



| Diameter Range | φ30–φ500 mm |
| Length Range | 600–10000 mm |
| Material | 40Cr / 20CrMnTi |
| Expansion Precision | ≤0.002 mm |
| Guide Strip Design | Cemented carbide guide strip |
Used for ultra-precision honing of deep holes, reduces surface roughness and improves the finish of the inner hole.



