20mm Concave Bead Sintered Diamond Bur – 8mm Head, 6mm Shank, 5-Piece Set for Stone & Glass Profiling diamond band saw blade for stone and flat head types: Flat

and flat head types:  Flat End Cylinder

smoother finishes

and pre-polishing across materials such as gemstones

Its diamond shaping capability allows you to refine curves and surfaces with minimal effort

20mm Concave Bead Sintered Diamond Bur – 8mm Head, 6mm Shank, 5-Piece Set for Stone & Glass Profiling diamond band saw blade for stone and flat head types: FlatThe Stone Carving Sintered Diamond Bur is a heavy duty precision tool engineered for high speed grinding, 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. Sintered Diamond Drill Bit is a high performance tool engineered for precision