Specification Brand : WL Fuller BulletPoint1 : Used to countersink and counterbore for the heads of screws in woods, plastics, and non-ferrous materials. BulletPoint2 : Made of Carbon Steel and heat-treated for long tool life. BulletPoint3 : All Sizes 1” Overall Length BulletPoint4 : Stop Collars Not Recommended. BulletPoint5 : 【 applications】: Counterbore bit set is suitable for milling of copper, aluminum, steel, cast iron, etc., and can be directly processed or finely processed to heat treatments. CompatibleFastenerDescription : 0.25 inches DriveSystem : Hex ExternallyAssignedProductIdentifier1 : 0807200004209 ExternallyAssignedProductIdentifier2 : 807200004209 GpsrSafetyAttestation : 1 IncludedComponents : 1 ItemName : 5/8" x 3/16" E Style Countersink ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : countersink-bits Manufacturer : W. L. Fuller, Inc. Material : Alloy Steel ModelName : Jaocdoenxby5oqgm7z ModelNumber : Generic0fc7sk8r53 NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 5 PartNumber : WFE143 ProductDescription : The type “E” countersink is designed for deep hole countersinking and counterboring in woods, plastics, and non-ferrous metals. ProductSiteLaunchDate : 2009-03-03T00:04:44.000-00:00 Size : One Size SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Alloy Steel SurfaceRecommendation1 : Aluminum SurfaceRecommendation2 : Copper SurfaceRecommendation3 : Alloy Steel SurfaceRecommendation4 : Cast Iron UnitCount : 1 UnspscCode : 27110000