Specification Brand : AK Garage BulletPoint : Price For: Each Flute Type: Spiral Finish: TiN Coated Item: Double End Drill/Countersink Number of Flutes: 2 Countersink Style: Plain Material: High Speed Steel Cutting Direction: Right Hand Size: #3 Body Dia.: 1/4" Point Dia.: 7/64" Overall Length: 2" Included Angle: 82 Degrees Country of Origin (subject to change): United States BulletPoint1 : Size - Grits: 100-120 Grits; Diameter: 1.8mm / 0.07"; Head Length: 1.8mm / 0.07"; Shank Diameter: 2.35mm / 3/32"; Shank Length: 43mm / 1.69"; Total Length: 45mm / 1.8"; The multi-purpose tool diamond drill bit set is packaged in a sturdy plastic box for your convenience to carry and store BulletPoint2 : Material - This grinding bit is made of stainless steel, which has excellent heat and corrosion resistance, and is covered with a sharply titanium plated diamond particle coating that will not fall off or deform due to repeated use BulletPoint3 : Features - The round handle design of the rotary tool diamond grinding drill bit makes it suitable for most electronic grinders, engraving machines, hanging grinders and hand drills, which is very suitable for gemstone carving, molding repair, casting cleaning, rust removal and polishing, and DIY enthusiasts BulletPoint4 : Applications - The diamond drill bit set is very suitable for home decoration and handicrafts. It is a good helper for polishing, grinding, drilling, cutting, engraving and other operations, which can be engraved on various materials, such as tiles, ceramics, marble, stone, ceramics, agate, and even hard metals such as iron and silver BulletPoint5 : Wide Use - The grinding bit is also suitable for grinding and polishing nails, which can meet all needs of removing dead skin, shaping or removing gel art nails, which is suitable for natural nails and artificial nails, suitable for nail art beginners and professionals CuttingAngleString : 82.0 degrees ExternallyAssignedProductIdentifier1 : 0816054024950 ExternallyAssignedProductIdentifier2 : 816054024950 FinishType : Titanium Nitride ItemName : SB-4 Double Cut Carbide Burr 7/16 Diameter 1/4 Shank Diameter ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 3.54 inches ItemPackageDimensions_Width : 2.36 inches ItemPackageQuantity : 1 ItemShape : Cylindrical ItemTypeKeyword : cutting-burrs Manufacturer : AK Garage Material : Carbide MeasurementSystem : Inch NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : 40146 ProductDescription : SB-4 Carbide Burr ProductSiteLaunchDate : 2019-09-25T07:00:00.000Z Size : #3 Style : Center Drill 82 degree SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Alloy Steel UnitCount : 5 UnspscCode : 27112800