Specification Brand : HARFINGTON BulletPoint1 : Size - Drill Bit Diameter: 6mm / 0.24-inch; Flute Length: 23mm / 0.91-inch; Shank Diameter: 6mm / 0.24-inch; Total Length: 80mm / 3.15-inch. BulletPoint2 : Material - The drill bit is made of high-speed steel, with high hardness, impact resistance, heat resistance, wear resistance, durability and long service life. BulletPoint3 : Usage - The drill is used with the hole saw. Set the center of the circle on the material and drill the center hole. After the edge of the hole saw is in contact with the material, continue to drill down to make the required circular hole in the material. BulletPoint4 : Application - After special heat treatment, the drill has high precision, smooth cutting and high strength. With the hole saw, it is suitable for drilling holes on tables, household wood, aluminum plates, alloy plates, etc. BulletPoint5 : Package Content - 5 x High-speed Steel Drill Bits. BulletPoint6 : 【Recommended Machine】: For a 5/8"-11 thread angle grinder, use a recommended speed of 6000 RPM for discs under 100mm and a maximum of 11,000 RPM. For discs 100mm and above, the recommended speed is 3000 RPM, with a maximum of 6000 RPM. If you're using an electric drill or other machines, you can use the included hex or SDS adapter for compatibility Color : Black CompatibleMaterial : Stone CompatibleMaterial1 : Iron CompatibleMaterial2 : Aluminum CompatibleMaterial3 : Metal CompatibleMaterial4 : Carbon Steel ExternallyAssignedProductIdentifier1 : 884835002763 ExternallyAssignedProductIdentifier2 : 0884835002763 ExternallyAssignedProductIdentifier3 : 00884835002763 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : hole saw ItemDisplayWeight : 0.25 pounds ItemName : HARFINGTON 5pcs High-Speed Steel Drill Bits 6mmx80mm for Hole Saws Arbor Drill Bit Replacement Thick Metal Cutting ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 1.7018 centimeters ItemPackageDimensions_Width : 6.1976 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : HARFINGTON Material : High Speed Steel Material1 : High Carbon Steel Material2 : Tungsten Carbide ModelName : 825-1-3/8 ModelNumber : hta220708hh0159 NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 5 PackageLevel : unit PartNumber : hta220708hh0159 PowerSourceType : Manual ProductDescription : 1. The drill bit is made of high-speed steel, with high hardness, impact resistance, heat resistance, wear resistance, durability and long service life. 2. The flat design of the shank is convenient for clamping and effectively solves the slippage of the center drill during use. 3. After special heat treatment, the drill has high precision, smooth cutting and high strength. With the hole saw, it is suitable for drilling holes on tables, household wood, aluminum plates, alloy plates, etc. 4. The drill is used with the hole saw. Set the center of the circle on the material and drill the center hole. After the edge of the hole saw is in contact with the material, continue to drill down to make the required circular hole in the material. 5. When matching with a hole saw, please pay attention to whether the size of the drill shank meets the requirements. ProductSiteLaunchDate : 2022-08-11T10:45:48.423Z Size : 6mmx80mm Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Metal,Steel SurfaceRecommendation1 : Metal SurfaceRecommendation2 : Stainless Steel SurfaceRecommendation3 : Wood UnitCount : 1 UnspscCode : 27111700 WarrantyType : limited warranty