H012 3–8mm Sintered Diamond Round Ball Burr (3mm Shank) – for Stone & Lapidary Carving

The H012 Sintered Diamond Round Ball Burr (3mm Shank) features solid industrial diamond particles distributed throughout the entire head matrix. Unlike standard electroplated burrs that degrade quickly once the surface coating wears off, this sintered spherical ball burr delivers exceptional wear resistance, continuous cutting power, and a significantly longer working life.

Key Specifications:

• Model: H012
• Head Shape: Round Ball Shape Head (Spherical / Ball burr)
• Head Diameters: 3 mm, 3.1 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm
• Shank Diameter: 3.0 mm (1/8") – fits standard rotary tools, die grinders, Dremel (with 1/8" collet), and flex shafts
• Grit Options: 70# (Coarse), 100#, 170#, 320#, 600# (Fine)
• Bond Type: Sintered Diamond Metal Bond (Solid Diamond)
• Recommended Usage: Wet use with water or coolant to optimize cutting speed and burr longevity
• Applications: Concave hollowing, rounded cavity carving, bead making, hemispherical shaping, and deburring on jade, gemstone, stone, granite, glass, and ceramics

Explore our full selection of shapes and sizes in the Sintered Diamond Burs collection.