4.0mm Tapered Inverted Flat End Diamond Bur, 10pcs – 600 Grit Precision Carving Tool for Gemstone & Stone

4.0mm Tapered Inverted Flat End Diamond Burs (10-Piece Set, 600 Grit) are fine finishing and precision carving tools designed for lapidary artists, jewelers, and stone carvers. Featuring a 600 grit electroplated diamond coating on a standard 2.35mm (3/32") shank, these burs excel in fine recessing, flat-bottom undercut carving, smoothing, and micro-detailing across gemstone, stone, and glass surfaces.

• Head Size: 4.0mm tapered inverted flat end
• Grit: 600 Grit (Fine) for smooth detailing, carving cleanup, and refined edges
• Shank Diameter: 2.35mm (3/32") standard rotary tool and micro motor fit
• Quantity: 10 pieces per pack
• Bond & Abrasive: Premium electroplated diamond abrasive
• Applications: Gemstone carving, intaglio detailing, flat recessing, stone engraving, and glass etching

Always use water or coolant during operation to prolong tool longevity and maintain clean cutting performance.