Yakamoz 20Pcs Solid Carbide Burr Set with 1/8" 3mm Shank Tungsten Carbide Rotary Files Burrs with 3mm 6mm Cutting Head Diameter Fits Most Rotary Drill Die Grinder for Woodworking Engraving Drilling CarvingFeature: 20 Pcs Carbide Rotary Burrs: Including 10 different shapes in 3mm & 6mm cutting diameter which can process various surfaces of objects.3mm (1/8 Inch) Shank fits most rotary tools and die grinders. Widely used for woodworking drilling carving engraving and polishing.Double cut design produces a finer finish than single cut and reduces the size of the chips and slivers. Made of high quality tungsten steel, processing hardness up to HRA90. This grinding head is easy to use.Yakamoz carbide rotary burrs is packaged individually in the box, making it easy to use and store. Specification: Material: Tungsten Carbide SteelHead Hardness: HRA90Cut Type: Double CutShank Size: 3mm (1/8 inch)Cutting Head Diameter: 3mm & 6mmProcessing Hardness: Up to HRC70Max Rotation Speed: 120000 RPM(Head Dia. 3mm), 60000 RPM(Head Dia. 6mm)Burr Shape: End Cut Cylindrical, Ball Nosed Cylindrical, Ball, Oval, Ball Nosed Tree, Tree, Flame, Ball Nosed Cone, Cone, Inverted Cone. ◆ Application Tips ◆➤ Wear an eye mask to protect your eyes from filings.➤ Always ensure your burr shank is well inserted into your collet and clamped down tightly.➤ Ensure the appropriate Air Tool is used and that it is regularly maintained.➤ Check that the burr is running true in the Air Tool before use.➤ Use a smooth cutting action with constant movement.➤ Use light pressure, let the burr do the work.➤ Keep out reach of children.Package Included:20 x Carbide Rotary Burrs