8.0mm Round Ball Diamond Bur, 100pcs – 80 Grit Precision Carving Tool for Gemstone, Stone & Glass

The 8.0mm Round Ball Diamond Bur, 100pcs is an ultra-fine spherical rotary detailing tool engineered for precision lapidary carving, micro-hollowing, concave shaping, and relief detailing on gemstones, stone, glass, and ceramics. Featuring a spherical ball head coated with durable 80 grit electroplated diamond on a standard 2.35mm (3/32") shank, this bur delivers smooth, uniform concave contouring and pinpoint spot grinding.

• Head Diameter: 8.0mm
• Shape: Round Ball (Spherical)
• Grit: 80 Grit precision diamond coating
• Shank Diameter: 2.35mm (3/32") standard rotary shank
• Quantity: 100-Pack (100 pieces)
• Bond Type: Electroplated diamond
• Applications: Precision micro-carving, concave detailing, bead rounding, hollowing, and engraving on jade, agate, quartz, glass, porcelain, and stone

Use with water lubrication or liquid coolant during carving to prevent thermal buildup and maximize tool life.