Specification Brand : COMOWARE BulletPoint1 : [HSS Drill Bit] Crafted from HSS for superior durability, titanium-coated for smooth drilling through iron, aluminum, plastic, wood, and metal plates. Self-deburring design maintains efficiency by reducing debris buildup. Outlasts standard bits with enhanced wear resistance and precision. Ideal for high-performance tasks. BulletPoint2 : [Double Spiral Flutes] Dual grooves ensure rapid chip removal for faster, smoother drilling. The self-starting 118° split point reduces walking and enhances precision in thin materials while resisting wear. BulletPoint3 : [Multi-Step Sizing] Features 10 clearly engraved sizes: 1-3/8", 1-1/4", 1-1/8", 1", 7/8", 3/4", 5/8", 1/2", 3/8", and 1/4". Eliminates the need for multiple bits—ideal for projects requiring varied hole diameters. BulletPoint4 : [Hex Shank & Anti-Slip] 1/4" hex shank fits securely into all power drills, including quick-change chucks. Anti-slip hexagonal grip ensures stability and prevents wobbling during operation. BulletPoint5 : [Portable & Customer Support] Perfect for home repairs, DIY projects, or light-duty tasks. Includes a compact storage case for easy organization. Backed by hassle-free customer support (contact us directly or via Amazon post-return window). BulletPoint6 : Wide Range of Applications- Designed for versatility, this step drill bit is perfect for creating clean, precise holes in stainless steel, copper, brass, aluminum, plastic, and laminate materials. Whether for professional or DIY projects, this step drill bit is a must-have. BulletPoint7 : Built for Efficiency and Longevity- Combining high-grade M35 cobalt steel, a durable TiAlN coating, and a 4-flute design, this step drill bit delivers exceptional performance and durability, even under demanding conditions. Color : Black CuttingAngleString : 118.0 degrees ExternallyAssignedProductIdentifier1 : 810151450452 ExternallyAssignedProductIdentifier2 : 0810151450452 FinishType : Titanium GpsrSafetyAttestation : 1 IncludedComponents : step drill bits ItemName : COMOWARE Hex Shank HSS Step Drill Bit with Two Spiral Flutes and Titanium Coating - 10 Step Sizes (1/4” – 1-3/8”) - Ideal for Metal, Stainless Steel, Aluminum, Wood, and Plastic ItemPackageDimensions_Height : 10.2108 centimeters ItemPackageDimensions_Length : 3.4036 centimeters ItemPackageDimensions_Width : 3.7084 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : step-drill-bits Manufacturer : COMOWARE Material : High Speed Steel Material1 : High Speed Steel Material2 : Alloy Steel ModelNumber : CNStepSpiral NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 3 PartNumber : CNStepSpiral ProductDescription : step drill bits ProductSiteLaunchDate : 2023-02-01T08:51:06.091Z Size : 1/4'' - 3/4'' Style : 1Pc Titanium - Hex Shank SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Aluminum,Metal,Plastic,Stainless,Steel,Wood SurfaceRecommendation1 : Plastic SurfaceRecommendation2 : Metal SurfaceRecommendation3 : Stainless Steel SurfaceRecommendation4 : Wood UnitCount : 1 UnspscCode : 27111700