Specification Brand : uxcell BulletPoint1 : Specifications: Shank diameter: 3mm(1/8"), cutting edge diameter: 6mm(1/4"). 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 : Black&silver CompatibleDevices : Die Grinder CompatibleMaterial1 : Titanium CompatibleMaterial2 : Glass CompatibleMaterial3 : Porcelain CompatibleMaterial4 : Stone CompatibleMaterial5 : Alloy Steel CompatibleMaterial6 : Ceramic ExternallyAssignedProductIdentifier : 8279150426233 FdaDeviceClassification : i FdaIndicationOfUse : otc FdaInstructionsForUseType : consumer FdaLabelType : consumer IncludedComponents : metal ItemName : uxcell Tungsten Carbide Rotary Files 1/8" Shank, Single Cut Cylindrical Radius End Rotary Burrs Tool 6mm Dia, for Die Grinder Drill Bit Alloy Steel Hard Metal Carving Polishing, 3pcs ItemPackageDimensions_Height : 13.6 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 1 ItemShape : Cylindrical ItemTypeKeyword : cutting-burs Manufacturer : uxcell Material : Tungsten Carbide ModelName : AGN-STTRBUR-10 ModelNumber : a18121200ux0666 NumberOfFlutes : 2 NumberOfItems : 3 PartNumber : a18121200ux0666 Pattern : 3mm 10pcs 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.