BAMILL 20pcs Diamond Grinding Head Conical Abrasive Rotary Tool 3mm Shank Burrs Bit Set

Features: *Need to be used with electric mill/hanging mill/bench mill. *Ball shape head diamond grinding tools for diamond and jade carving. *These are 80 grit and 3.0mm shank. *Diamond burr tools for grinding engraving cutting lines polishing carving glass engraving. *Suitable for plastic wood glass metal ceramic tile marble granite stone and many other materials. Specification: Product Name: Diamond Grinding Head Material: Diamond Metal Color: Silver Shank diameter: 3.0mm Head diameter: 5.8mm Total length of grinding head: 45mm Grit size: 120 Shape: conical Suitable for: Engraving and grinding glass jade gem stone and hard objects mold grinding etc; It shall be used together with electric mill hanging mill engraving machine etc. Quantity: 20Pcs Package Includes: 20 × Diamond Grinding Head Notes: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.