1PC Cylinder Diamond Burr Drill Bit Set For Carving Engraving Drilling 4-12mm

Description: 1. Cylindrical tip diamond coated head. 2. Can be installed on the electronic grinder hanging grinder and hand electric drill. 3. Used for sculpting dressing grinding and internal grinding carbide in ceramic glass gemstones alloy and many other abrasive materials. Specification: Material: Metal Diamond. Shape: Cylindrical Shape. Shank Diameter: 6mm Head Diameter:12/14/16/18/20/25mm Color: Silver Tone. Length:45mm Quantity:1pc Package Includes:(the size is up to you) 1pc Grinding Needle Head Note: 1. 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. 2. Please allow slight manual measurement deviation for the data.