1.long service life 2.superior surface keeping ability 3. for grinding PCD & PCBN tools 150mm diameter metal bond grinding cup wheel For grinding PCD & PCBN tools. Due to their excellent wear ablity, good surface keeping, this metal bond diamond grinding wheel sell well in Chinese Market.Regular specification:Diameter: 150mmHole/Bore: 40mmWidth: 5mm, 10mm, 15mm, 20mmHeight: 10mmGrit: 400 mesh to ...