9%Co 0.2um grain sizes 94Hra h6 fine grinding solid polishing dia.12*310mm cemented tungsten carbide round rod
Strong Ostrich Shank 3/32" Diamond Drill Bit Emery Carving Glass Rod Grinding Abrasive Grinding Wheel
Sandpaper Grinding Rod For Jewelry Polishing 3mm Shank Electric Rotary Tool Accessory Grinding Head Sandpaper Rod
china tools diamond honing stone for grinding Cylinder Liners Connecting Rods and gear Inner holes
Ready to Ship