30x35mm Concave Edge Diamond Bur, 1pc – 240 Grit, 6mm Shank for Lapidary & Glass

Diamond Concave Edge Burs are precision tools for fine detailing, ring rounding, and material processing. Designed with durable diamond grit for aggressive cutting, precise shaping, and long-lasting performance.

• Size: 30x35mm
• Grit: 240 Grit (Fine)
• Shank: 6mm
• Application: Gemstone, stone, glass, ceramic ring rounding and concave edge finishing
• Bond: Electroplated