Specification Brand : Lichamp BulletPoint1 : ONE BIT FOR ALL DRILLING: One bit can drill 1/4 inch, 3/8 inch, 19/32 inch, 3/4 inch, 1 inch, 1-3/16 inch, 1-3/8 inch, 1-5/8 inch, 1-3/4 inch, 2 inch, 2-3/16 inch, 2-3/8 inch 12 different diameters of holes, saves time and effort in replacing the bit BulletPoint2 : DURABLE AND STRONG: Durable high speed steel with black coating ensures durability and sharpness, reduces friction, runs cooler, resists heat, corrosion and rust, and extends the life of the cutting edge even in extreme temperatures BulletPoint3 : EXTRA LARGE STEPS DRILL: Shank diameter is 13 mm (1/2 inch), use one step drill to drill different sizes of holes, much more convenient than using multiple drills, ideal for DIY projects in home, garden, workshop BulletPoint4 : HIGH PERFORMANCE: Split tip is at 118 degrees for better wear resistance. Double helix blade design makes smoother cuts, easier to dislodge material particles and cleaner drilling operations, can be used with electric drills, rechargeable drills and more BulletPoint5 : WELL DESIGNED: Provides stability during the drilling process, minimizes noise and vibration, which improves work efficiency and safety, bringing a smoother and quieter drilling experience Color : Black CuttingAngleString : 118 degrees FinishType : Black Oxide HandOrientation : Right Hand IncludedComponents : M2 Step Drill Bit ItemName : Lichamp Jumbo 2-3/8" Unibit Step Drill Bit for Metal, Extra Large Drill Stepper Bit for Hard Metal Heavy Duty, 12 Sizes from 1/4" to 2-3/8", Spiral Grooved, C5BK ItemPackageDimensions_Height : 12.6 centimeters ItemPackageDimensions_Length : 7.3 centimeters ItemPackageDimensions_Width : 7.9 centimeters ItemShape : Taper ItemTypeKeyword : step-drill-bits Manufacturer : Lichamp Material : M2 High Speed Steel MfgSeriesNumber : C1BK ModelNumber : SDB-C501BK NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : SDB-C501BK ProductDescription : Hole Diameter: 1/4", 3/8", 19/32", 3/4", 1", 1-3/16", 1-3/8", 1-5/8", 1-3/4", 2", 2-3/16", 2-3/8" ProductSiteLaunchDate : 2021-11-08T14:21:20.175Z Size : 3/16" to 1-3/8" SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation1 : Plastic SurfaceRecommendation2 : Metal SurfaceRecommendation3 : Wood UnitCount : 1 UnspscCode : 27111700