90° Sintered Diamond Countersink Bit – 6mm Shank, 15mm Cutting Width, 1.2mm Pilot Tip (5-Piece Set) for Granite, Tile & Glass abrasive sanding belt refining glass edges

refining glass edges

fused glass edges

and semi-precious stones

Extended Blade Life: Electroplated diamonds resist wear under demanding use

making it the ideal tool for lens shaping

90° Sintered Diamond Countersink Bit – 6mm Shank, 15mm Cutting Width, 1.2mm Pilot Tip (5-Piece Set) for Granite, Tile & Glass abrasive sanding belt refining glass edgesThe 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