Specification Brand : B. toys BulletPoint1 : Premium Import! BulletPoint2 : Quality and Performance to satisfy you! CuttingAngleString : 90.0 degrees ExternallyAssignedProductIdentifier1 : 0147240900902 ExternallyAssignedProductIdentifier2 : 147240900902 ItemName : 5/8X3/8 SHANK X 90 DEGREE, SINGLE FLUTE, HIGH SPEED STEEL, COUNTERSINK ItemTypeKeyword : combined-drill-countersinks Manufacturer : B&B Supply Corp Material : High Speed Steel NumberOfFlutes : 1 ProductDescription : Single flute countersinks are ideal for chamferring, deburring and countersinking. 90 degree Countersinks are used for chamfering and deburring. The large positive rake and single flute construction provide a smooth surface finish on a variety of materials. ProductSiteLaunchDate : 2009-07-26T21:32:32.000-00:00 SurfaceRecommendation : Alloy Steel UnitCount : 1