Specification Brand : Drill America BulletPoint1 : Black and gold surface treated BulletPoint2 : Single bit can be used for drilling a wide range of hole sizes in metal, plastic and wood BulletPoint3 : Single radial concave flute crates perfectly round holes in metal, plastic wood and other thin materials without center punching BulletPoint4 : Contructed of industrial grade high-speed molybdenum steel, heat-treated and temperature for long life BulletPoint5 : No center punching needed, automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials Color : Silver And Blue CuttingAngleString : 135 degrees ExternallyAssignedProductIdentifier1 : 887861305556 ExternallyAssignedProductIdentifier2 : 0887861305556 FinishType : Black and Gold GpsrSafetyAttestation : 1 IncludedComponents : 5 Step Drill Bits ItemName : Drill America 5 Piece HSS Black & Gold Step Drill Bit Set, (Sizes #1 - #5) ItemPackageDimensions_Height : 16 centimeters ItemPackageDimensions_Length : 4.2 centimeters ItemPackageDimensions_Width : 12.2 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : step-drill-bits Manufacturer : Drill America Material : High Speed Steel Material1 : Diamond Material2 : Alloy Steel ModelNumber : STE1-5SET NumberOfFlutes : 2 NumberOfItems : 5 NumberOfPieces : 5 PackageLevel : unit PartNumber : STE1-5SET ProductDescription : Transform your stone and tile work with this professional-grade diamond hole opener. The tapered pagoda design features three progressive sizes - 20mm, 35mm, and 55mm - allowing you to create precise, clean holes in tough materials like marble, granite, and ceramic tile. The durable diamond-coated surface ensures superior cutting performance while maintaining accuracy. This versatile step drill bit is engineered for universal compatibility and can tackle round hole creation in various stone surfaces. Perfect for contractors, tile installers, and DIY enthusiasts who demand reliable results. The innovative stepped design helps prevent material cracking and ensures smooth operation. Ideal for both wet and dry applications, this professional tool delivers consistent results on natural stone, engineered stone, and porcelain materials. ProductSiteLaunchDate : 2021-07-26T15:16:04.207Z Size : Set SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Metal SurfaceRecommendation1 : Acrylic SurfaceRecommendation2 : Metal UnitCount : 1 UnspscCode : 27111700