Specification Brand : Astro Pneumatic Tool BulletPoint1 : Self-starting multiple hole sizes BulletPoint2 : Kit includes, 13 Hole Sizes from 1/8-Inch to 1/2-Inch, 6 Hole Sizes from 3/16-Inch to 1/2-Inch and 9 Hole Sizes from 1/4-Inch to 3/4-Inch BulletPoint3 : All drill bits have a 1/4-Inch hex shank for use with drills and quick change chucks BulletPoint4 : Net Weight, 1/4lbs. (.11kg) BulletPoint5 : 5.【Unibit Step Drill Bit Compatibility - Compatible with Various Materials】Hakkin unibit step drill Bit set is able to drill holes of a variety of diameters quickly and smoothly, drilling through stainless steel; metal sheet; iron; aluminum sheet; copper; wood; plastic and more (the board must be thinner than the height of the step drill). If for any reason you are not fully satisfied with your purchase, please contact us freely BulletPoint6 : Our Commitment: We take pride in delivering a quality product. Whether you're working on a big project or a quick fix, our step drill bits are your go-to tools. Any problem can be solved. Buy with confidence and add to cart now! Color : Black Oxide Configuration : configuration CustomerPackageType : 1 CuttingAngleString : 118 degrees ExternallyAssignedProductIdentifier : 8856681549367 ExternallyAssignedProductIdentifier1 : 013222024846 ExternallyAssignedProductIdentifier2 : 745227001538 ExternallyAssignedProductIdentifier3 : 0013222024846 ExternallyAssignedProductIdentifier4 : 0745227001538 ExternallyAssignedProductIdentifier5 : 00745227001538 FinishType : Titanium GpsrSafetyAttestation : 1 IncludedComponents : 3 Drill Bits ItemName : Astro 9445 Titanium Step Drill Bit Set ItemPackageDimensions_Height : 19.5 centimeters ItemPackageDimensions_Length : 2.9 centimeters ItemPackageDimensions_Width : 13.8 centimeters ItemPackageQuantity : 1 ItemShape : shape ItemTypeKeyword : step-drill-bits Manufacturer : Astro Pneumatic Tool Company Material : Titanium MeasurementSystem : Metric ModelName : Milwaukee® Fast-Starting Step Drill Bit ModelNumber : 9445 NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 28 PackageLevel : unit PartNumber : APT-9445 Pattern : 4mm-20mm Round handle PowerSourceType : Battery Powered ProductDescription : GOSONO 7 Steps HSS Superhard Steel Step Cone Drill Bit Hole Saw Cutter 4mm-20mm ProductSiteLaunchDate : 2005-09-15T08:00:00-00:00 Size : 13 Step (1/8”-1/2”) SkipOffer : 1 SupplierDeclaredDgHzRegulation : unknown SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Aluminum SurfaceRecommendation1 : Plastic SurfaceRecommendation2 : Metal SurfaceRecommendation3 : Stainless Steel SurfaceRecommendation4 : Wood UnitCount : 1 UnspscCode : 27111700