Specification Brand : Hilitand BulletPoint1 : HIGH SPEED STEEL: The step drill bit is made from high speed steel which has high hardness and good wear resistance. BulletPoint2 : COATED: The is coated with which has better anti-rust performance and will not fade easily. BulletPoint3 : WIDE SIZE RANGE: This step drill bit can be used for drilling a wide range of hole sizes from 3mm to 13mm(3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm) BulletPoint4 : WIDE APPLICATION: Step drill is most commonly used on softer materials such as thin iron sheet, aluminum, PVC and wood board of 5mm or .Great for use in work where thin steel, aluminum or plastic boxes and chassis are encountered. BulletPoint5 : CLEARLY MARKED: The hole size are clearly marked on the surface, you can check the data easily. Color : Multi-colour CuttingAngleString : 135 degrees ExternallyAssignedProductIdentifier : 6345319844704 ExternallyAssignedProductIdentifier1 : 0798382710272 ExternallyAssignedProductIdentifier2 : 798382710272 ExternallyAssignedProductIdentifier3 : 00088381400374 FinishType : Titanium GpsrSafetyAttestation : 1 IncludedComponents : 1x Makita D-40179 ItemName : Hilitand Step Drill Bit, High Speed Steel Coated Cone Drill Bit 1/4" Hex Shank Hole Cutter 3-13mm ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : step-drill-bits Manufacturer : Hilitand Material : metal ModelNumber : 49042832_1 NumberOfItems : 5 NumberOfPieces : 1 PackageLevel : unit PartNumber : hilitanddc7ghs082w ProductDescription : Specifications: Material: High speed steel 4241 Finishing: coating Step Size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm Hex Shank: 1/4" Quantity: 1pc