Specification Brand : uxcell BulletPoint1 : Specifications: Shank diameter: 3mm(1/8"), cutting edge diameter: 6mm. Fits most rotary die grinders BulletPoint2 : Long Working Life: Made of heat-treated tungsten carbide that hardness can be up to above HRA85, sharp and sturdy, long service life BulletPoint3 : Single Cut Design: Single groove rotary files are more suitable for the object density is relatively high, such as alloy steel, stainless steel, hardened steel BulletPoint4 : Versatile Use: Widely used for metalwork, tool making, model engineering, wood carving, jewelry making,welding, chamfering, casting, deburring, grinding, sculpting BulletPoint5 : Tips: Requirement of the carbide burrs rotating speed is: 4000-50000 rpm. Always ensure your burrs shank is well inserted into your collet and clamped down tightly Color : 10pcs ExternallyAssignedProductIdentifier : 7595611097288 ExternallyAssignedProductIdentifier1 : 7928183131096 ExternallyAssignedProductIdentifier2 : 07928183131096 IncludedComponents : Boring Cylinder Machine Accessories ItemName : uxcell Tungsten Carbide Rotary Files 1/8" Shank, Single Cut Ball Shape Rotary Burrs Tool 6mm Dia, for Die Grinder Drill Bit Alloy Steel Hard Metal Carving Polishing Model Engineering ItemPackageDimensions_Height : 15.0114 centimeters ItemPackageDimensions_Length : 0.7874 centimeters ItemPackageDimensions_Width : 5.715 centimeters ItemPackageQuantity : 1 ItemShape : Ball ItemTypeKeyword : cutting-burs Manufacturer : uxcell Material : Carbide ModelNumber : a19012700ux0185 NumberOfItems : 1 PartNumber : a19012700ux0185 ProductDescription : Description: Used for metal working in and pattern making, die sinking, surface cleaning and maintenance. Suitable for cleaning up welds, grinding weld beads, shaping parts,smoothing rough castings, or porting cylinder heads. Generally use with handheld electric or pneumatic tool drive (can also be used in machine tool), Vast used in the industries of airplane, ship building, automobile, machinery, chemistry etc.