Airgoesin 20pcs HP Diamond Burs Kit, Small Heads Grinding Bur Drill Bit 3/32 Inch, 2.35mm Shank Rotary Tool for Stone Porcelain Ceramic Metal Carving, Grinding, Polishing, Engraving - AGN-POLISH-ZD102-20

• 20 different HP shapes diamonds burs are highly economical, safe and efficient. Extremely fast, cool cutting of all chrome cobalt, titanium, gold and all other hard materials. Made of carbide steel coated with diamond particles. Mandrel diameter: 3/32"(2.35mm) This bur drill bits set fit for most rotary tools or die grinders. High compatibility, easy change. This Sintered diamond bur set suitable for small projects, used for sculpturing, dressing, precision grinding and sanding in ceramic, glass, precious stone, agate stones and many other materials, shaping the deadwood areas of bonsai trees, and carving hard agate stones etc. Fits all your needs for precise grinding job. Sintered Diamond Burs are used for engraving granite, concrete, and other types of hard stones. With sintered technology, they last much longer than the vacuum brazed burs. Sintered burs will last 5 to 10 times longer than diamond electroplated burs and up to 100 times longer than various types of silicon carbide or aluminum oxide mounted abrasive points.