Specification Brand : Drill America BulletPoint1 : Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys BulletPoint2 : Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools BulletPoint3 : Round shanks allow use with a wide variety of toolholding systems BulletPoint4 : When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging BulletPoint5 : Manufactured to National Aerospace standard 907 Color : 3-Flat CuttingAngleString : 135.0 degrees ExternallyAssignedProductIdentifier1 : 887861042147 ExternallyAssignedProductIdentifier2 : 0887861042147 FinishType : Gold GpsrSafetyAttestation : 1 ItemName : Drill America - DWDCO7/8 7/8" Reduced Shank Cobalt Drill Bit with 1/2" Shank, DWDCO Series ItemPackageDimensions_Height : 17.399 centimeters ItemPackageDimensions_Length : 2.8956 centimeters ItemPackageDimensions_Width : 3.2004 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : reduced-shank-drill-bits Manufacturer : Drill America Material : Cobalt ModelNumber : DWDCO7/8 NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : DWDCO7/8 ProductDescription : LingGan Stainless Steel Special Twist Drill Bit, High Hardness, Fast Chip Removal, Good Wear Resistance, 135° Large Top Angle Design, Double Relief Angle, Fast And Precise Drilling, Saving Time And Effort, Spiral Pattern Large Groove Design, Large Chip Holding Space, Smooth Chip Removal, Effective Prevention Of Accumulated Chip Residues, Good Chip Removal Performance, Fast Drilling Speed, Fully Ground Double Cutting Edges, Accurate Size, Good Finish, Reduced Friction Coefficient Of Drilling, Smooth Hole Wall, High Precision, Yellowing Surface, Rust-Proof And Beautiful, Prevent Oxidation And Rust, Extend Service Life, Round Drill Shank, Firm Clamping And Non-Slip, Wide Application Range. 30° Helix Angle, Fast Cutting Speed And High Efficiency. ProductSiteLaunchDate : 2013-01-15T15:20:53.338Z Size : 7/8" Style : Reduced-Shank SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Alloy Steel SurfaceRecommendation1 : Metal SurfaceRecommendation2 : Stainless Steel SurfaceRecommendation3 : Cast Iron SurfaceRecommendation4 : Copper SurfaceRecommendation5 : Aluminum SurfaceRecommendation6 : Plastic UnitCount : 1 UnspscCode : 27111700