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| FORM-FACTOR | 6" Mounted |
| ABRASIVE MATERIAL | CBN |
| BINDER | Metallic |
| GRIT RATING | Coarse Extra Coarse Medium Fine Ultra Fine Extra Fine |
| USED/ROUTINE | Oil Water Without lubricants |
| ORIGIN OF MATERIAL | 🇺🇦Ukraine |
CBN stone on copper-tin M1001 binder for controlled sharpening, softer cutting feel, and long service life on Hapstone systems.
Cutting
CBN works softer than diamond and helps reduce deep scratches during sharpening while maintaining strong cutting performance.
Binder
The improved M1001 binder includes nickel and titanium, helping the stone work longer and load less during use.
Ready
Premium series stones are finished to consistent thickness, chamfered, and ready for work without additional preparation.
Diamond vs. CBN
Compared with diamond, CBN has an octahedral crystal structure with more cutting edges and less sharp angles.
This gives CBN a smoother working feel and helps produce a cleaner scratch pattern during sharpening and refinement.
Comparison
Authenticity
Hapstone is the official representative of PDT, so the stones are original PDT products.
Click to enlarge
Care
The stone is designed for manual sharpening of knives, razor blades, chisels, and similar tools. The surface can be restored with silicon carbide powder on a flat surface.
Specifications


