70 Grit Flat End Cylinder Sintered Diamond Bur for Stone & Glass Carving – 3mm Shank, 5pcs Set (H001) Head Size:6mm Concave Bead – specialized for

Concave Bead  – specialized for bead carving and intricate curved patterns

scratch-free finish

refining metals

Available in grit sizes from 60 to 3000

Q: How should I maintain the lap

70 Grit Flat End Cylinder Sintered Diamond Bur for Stone & Glass Carving – 3mm Shank, 5pcs Set (H001) Head Size:6mm Concave Bead – specialized forThe Sintered Diamond Bur is a heavy duty precision tool engineered for high speed grinding, shaping, and material removal on ultra hard substrates like carbides, industrial ceramics, sapphire, and advanced composites. Featuring a sintered metal bond that permanently bonds diamond particles, it delivers unmatched durability and stability under extreme mechanical stress. The Sintered Diamond Bur is a high performance rotary tool accessory engineered for