Description:

20Pcs 6MM Shank Emery Grinding Head Engraving Abrasive Burrs Rotary Tools. Total length: about 45mm/1.77 inch.3mm/0.11 shank,6mm/0.23 grinding diameter .. Fit for: grinding, engraving, cutting lines, polished, hollow, jade carving, glass engraving,etc. They are made of Electroplated diamond, the grinding capacity is stronger and more durable than the ordinary grinding head.. Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many the abrasive materials..