Specification Brand : Alfa Tools BulletPoint1 : High speed steel monolock five flute countersink BulletPoint2 : 1/2" body diameter, 1/4" quick change hex shank BulletPoint3 : 2" Overall length BulletPoint4 : 82 Degree BulletPoint5 : 1 per pack CuttingAngleString : 82.0 degrees ExternallyAssignedProductIdentifier1 : 721511290925 ExternallyAssignedProductIdentifier2 : 0721511290925 ExternallyAssignedProductIdentifier3 : 00721511290925 FinishType : Diamond IncludedComponents : Tools ItemDisplayDimensions_Length : 5 centimeters ItemName : Alfa Tools C5F50562 1/2" x 1/4" Hex Shank 82° 5 Flute Countersink ItemPackageDimensions_Height : 9 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 2.1 centimeters ItemPackageQuantity : 1 ItemShape : Oval ItemTypeKeyword : countersink-bits Manufacturer : Alfa Tools Material : High Speed Steel ModelNumber : C5F50562 NumberOfItems : 1 PartNumber : C5F50562 ProductDescription : Recommended: If fixed on Hand Drills,you could use Hex shank or Triangle shank Adapter to 5/8-11 thread. If fixed on Hammer Drills,please use SDS plus shank Adapter to 5/8-11 thread.Also shut down hammer mode while using the diamond coated milling bit. Other imoprtant tips: When using diamond tools, there are several important factors to consider to ensure safe and effective usage. Safety Gear: Always wear appropriate safety gear, including safety glasses or goggles, gloves, and a dust mask or respirator if necessary. Proper Handling: Handle diamond tools with care, as they can be fragile and easily damaged. Compatibility: Ensure that the diamond tools you're using are suitable for the material you're working on. Mounting and Alignment: Follow our instructions for mounting and aligning the diamond tools correctly. Improper installation can lead to inefficient operation or even accidents. Operating Speed: Be aware of the recommended operating speed for the diamond tools. Cooling and Lubrication: Pay attention to the manufacturer's recommendations for cooling or lubricating the tool to prevent overheating and prolong its lifespan. Pressure and Feed Rate: Apply the appropriate pressure and maintain a consistent feed rate when using diamond tools. Operator Experience: It is essential to have experience or receive proper training before using diamond tools. Regular Inspections: Before and after each use, inspect the diamond tools for any signs of damage or wear.Damaged tools should be replaced to avoid safety hazards.