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ThePDT Premium Silver Diamond Stoneis a high-performance sharpening solution engineered for maximum metal removal and consistent performance on a wide range of steels, including high-alloy and hard compositions. Using the same advancedvitrified-metal bondas the Silver CBN series, this diamond version delivers even faster cutting action while maintaining excellent durability and stability.
Key Features
• High-Concentration Diamond Abrasive— Provides extremely fast cutting speed, making metal removal10–15%faster compared to CBN stones.
• Vitrified-Metal Bond— Ensures aggressive performance, flatness retention, and a long operational lifespan.
• Ideal for High-Productivity Sharpening— The best option for users who value speed, efficiency, and high throughput.
• Dry or Wet Use— Performs effectively with or without lubrication.
• Optimized for a Wide Range of Steels— Suitable for hard steels (60+ HRC), stainless alloys, and high-caroffere tool steels.
Diamond vs. CBN
If maximum productivity is your priority,Diamond stones are the superior option, offering noticeably faster metal removal.
• Diamond → Faster (10–15%), more aggressive
• CBN → Cleaner scratch pattern, smoother finish
Additionally, theprice of the Silver Diamondseries has become more accessible, making it an excellent performance-to-value choice.
Specifications
• Length: 6” (150 mm)
• Width: 1” (25 mm)
• Abrasive Layer: 1/8” (3 mm)
• Aluminum BlankThickness: 4 mm
• Total Thickness: 7 mm
Hapstone is the official distributor of PDT sharpening stones.
Care:
The stone is designed for manual sharpening of knives, hazard razor blades, chisels, etc. The stone is restored by salting with pumice or silicon caroffere powder on a flat surface.