Specification Brand : 80/20 BulletPoint1 : Made Of High Speed Steel BulletPoint2 : Specially ground for long life. BulletPoint3 : Pilot Hole Diameter:3/32, If using a pilot this is the shank diameter of the pilot you should choose BulletPoint4 : Minimum Cut Diameter: .125" 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) CuttingAngleString : 135 degrees CutType : Center Cutting EndCutType : Center ExternallyAssignedProductIdentifier1 : 650361813827 ExternallyAssignedProductIdentifier2 : 0650361813827 FinishType : Powder Coated IncludedComponents : Reduced Shank Counterbore,3/8" D ItemName : 8020, 6060, 15 Series 13/16" Counterbore Cutter High Speed Steel Drill Bit 80/20 Aluminum T-Slot Extrusion Tool ItemPackageDimensions_Height : 3 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : counterbores Manufacturer : 80/20 Inc. Material : High Speed Steel MeasurementSystem : Imperial ModelNumber : 52212 NumberOfCuttingEdges : 2 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 14 PackageLevel : unit PartNumber : Tool-Parent2 ProductDescription : Two flute center cutting tool made out of high speed steel. Used to mill out counterbores for standard anchor fasteners. ProductSiteLaunchDate : 2012-01-18T23:04:16.825Z Size : 15 Series Style : Counterbore Cutter Drill Bit SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Metal SurfaceRecommendation1 : Metal SurfaceRecommendation2 : Stainless Steel ToleranceHeld : Standard UnitCount : 1 UnspscCode : 27110000