Specification Brand : Super Tool BulletPoint1 : For counterboring and spotfacing in applications where machine requires a smaller shank BulletPoint2 : 1/64" Corner Radius, Tool Diameter Tolerance: +.001"/-0". Shank Diameter Tolerance: +0"/-.001" BulletPoint3 : Pilot Hole Diameter:1/4, If using a pilot this is the shank diameter of the pilot you should choose BulletPoint4 : Minimum Cut Diameter: .281" Because there is a pilot hole the tool will not cut below this diameter. BulletPoint5 : Set screw to hold a pilot or drill bit in place (if you are using a pilot or drill bit) CareInstructions : Hand Wash Only CareInstructions1 : Hand Wash Only CareInstructions2 : Do Not Iron Color : Gold CustomerPackageType : Standard Packaging CuttingAngleString : 82.0 degrees Department : womens ExternallyAssignedProductIdentifier1 : 650715500489 ExternallyAssignedProductIdentifier2 : 0650715500489 FinishType1 : Oxide Coated FinishType2 : Steel GpsrSafetyAttestation : 1 ItemName : 1 7/16" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.4375" Diameter, 1-7/16), 52246, USA Made ItemPackageDimensions_Height : 12 centimeters ItemPackageDimensions_Length : 4.1 centimeters ItemPackageDimensions_Width : 4.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : counterbores Lifestyle : Casual Manufacturer : Super Tool Material : Carbide Material1 : Linen Material2 : Cotton ModelNumber : 52246 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 5 PartNumber : 52246 Pattern : Double Cut ProductDescription : 1 7/16" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.4375" Diameter, 1-7/16), 52246, USA Made ProductSiteLaunchDate : 2014-11-14T17:12:07.044Z Size : 5 Piece Countersink Drill Bit Set StrapType : Spaghetti Style : Casual SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Plywood,Steel,Metals UnitCount : 1 UnspscCode : 27111701