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 : 887861238540 ExternallyAssignedProductIdentifier2 : 0887861238540 ExternallyAssignedProductIdentifier3 : 00887861238540 FinishType : Titanium Aluminum Nitride ItemName : Drill America TSC Series High-Speed Steel Countersink, 3/4" Body Diameter, 100 Degrees Angle, 5/16" Pilot (Pack of 10) ItemPackageDimensions_Height : 1.524 centimeters ItemPackageDimensions_Length : 8.89 centimeters ItemPackageDimensions_Width : 5.842 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : single-end-countersinks Manufacturer : Drill America Material : High Speed Steel ModelNumber : TSC3/4-5/16P10 NumberOfFlutes : 1 NumberOfItems : 10 PartNumber : TSC3/4-5/16P10 ProductSiteLaunchDate : 2013-10-22T08:00:01.000Z Size : 5/16" StreetDate : 2017-11-25T00:00:01Z SurfaceRecommendation : Cast Iron,Plastic,Wood UnitCount : 10