Specification Brand : Star USA CuttingAngleString : 90.0 degrees FinishType : Uncoated ItemName : Countersinks, Single (1) Flute, Sets - High Speed Steel 1/4-3/4" (1/4, 3/8, 1/2, 5/8, 3/4") 90 Deg. Hss 5Pc ItemTypeKeyword : combined-drill-countersinks Manufacturer : Star USA Material : High Speed Steel NumberOfFlutes : 1 NumberOfPieces : 5 PartNumber : 85115032861 ProductDescription : Ideal for chamfering deburring and countersinking. The large positive rake and single flute construction provides a smooth surface finish on a wide variety of materials. The versatility of this tool should increase productivity on all general purpose applications. ProductSiteLaunchDate : 2011-12-25T08:00:00.000Z SupplierDeclaredDgHzRegulation : unknown SurfaceRecommendation1 : Metal SurfaceRecommendation2 : Plastic SurfaceRecommendation3 : Wood SurfaceRecommendation4 : Concrete SurfaceRecommendation5 : Stone UnitCount : 5 UnspscCode : 20121600