Specification Brand : Drill America BulletPoint1 : High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance BulletPoint2 : Countersink cutter may be used in all popular adjustable or micro-stop countersinking units utilizing a 1/4"-28 threaded shank drive BulletPoint3 : Threaded shank is for use with threaded-spindle tools, often used in aerospace and automotive applications BulletPoint4 : Through-hole flute style has a single flute that passes through the cutting head to reduce vibration and chip clogging; also called "zero flute" BulletPoint5 : Precision ground to exacting tolerances and form relieved to insure concentricity of 100 degrees countersink angle CuttingAngleString : 100.0 degrees ExternallyAssignedProductIdentifier1 : 887861238090 ExternallyAssignedProductIdentifier2 : 0887861238090 ExternallyAssignedProductIdentifier3 : 00887861238090 ItemName : Drill America TSC Series High-Speed Steel Countersink, 7/16" Body Diameter, 100 Degrees Angle, #11 Pilot (Pack of 10) ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 13.716 centimeters ItemPackageDimensions_Width : 6.096 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : single-end-countersinks Manufacturer : Drill America Material : High-Speed Steel MfgSeriesNumber : KFD ModelNumber : TSC7/16-11P10 NumberOfFlutes : 1 NumberOfItems : 10 PartNumber : TSC7/16-11P10 ProductSiteLaunchDate : 2013-10-22T08:00:01.000Z Size : #11 SurfaceRecommendation : Alloy Steel UnitCount : 10 UnspscCode : 27111700