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

accurate grinding

refining glass edges

making it the ideal tool for lens shaping

and semi-precious stones

it excels as a go-to wheel for shaping glass

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