Specification Brand : KEO Cutters BulletPoint1 : Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys BulletPoint2 : Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications 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 : 90 degree angle CuttingAngleString : 90.0 degrees FinishType : Uncoated ItemName : KEO 55431 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, Single Flute, 90 Degree Point Angle, Round Shank, 1/2" Shank Diameter, 1" Body Diameter ItemPackageDimensions_Height : 7.112 centimeters ItemPackageDimensions_Length : 2.794 centimeters ItemPackageDimensions_Width : 2.54 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : single-end-countersinks Manufacturer : KEO Cutters Material : Cobalt Steel ModelNumber : 55431 NumberOfFlutes : 1 NumberOfItems : 1 PartNumber : 55431 ProductSiteLaunchDate : 2012-10-20T08:00:01.000Z Size : 1 in StreetDate : 2017-11-25T00:00:01Z SurfaceRecommendation : Cast Iron,Plastic,Steel,Wood UnitCount : 1 UnspscCode : 27111700