Specification Brand : MICHIGAN DRILL BulletPoint1 : High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance BulletPoint2 : Ground finish suitable for most materials BulletPoint3 : Round shanks allow use with a wide variety of toolholding systems BulletPoint4 : When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging BulletPoint5 : Flute to OAL for maximum rigidity; ground to ANSI specifications CuttingAngleString : 82.0 degrees ExternallyAssignedProductIdentifier1 : 695499010168 ExternallyAssignedProductIdentifier2 : 0695499010168 ExternallyAssignedProductIdentifier3 : 00695499516509 FinishType : Ground ItemName : Michigan Drill 544P Series High-Speed Steel Countersink and Debarring Tool, Ground Finish, 1/4" Pilot Length, 1/2" Shank Diameter, 82 Degrees Point, 20 Size, for 1/2" Screw (Pack of 1) ItemPackageDimensions_Height : 5.08 centimeters ItemPackageDimensions_Length : 21.336 centimeters ItemPackageDimensions_Width : 4.318 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hex-shank-drill-bits Manufacturer : Michigan Drill Corporation Material : High Speed Steel MfgSeriesNumber : 301 ModelNumber : 301 10.40 NumberOfItems : 6 PartNumber : 301 10.40 ProductSiteLaunchDate : 2013-10-02T00:00:01-07:00 Size : 10.4mm StreetDate : 2017-03-12T00:00:01Z Style : Jobbers' SurfaceRecommendation : Alloy Steel UnitCount : 6