Specification Brand : Cobra Carbide BulletPoint1 : Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems BulletPoint2 : Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications 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 : For centering and countersinking on NC and CNC machines BulletPoint6 : Made in the USA Color : 12-20 CuttingAngleString : 120.0 degrees ExternallyAssignedProductIdentifier : 7038957421718 ExternallyAssignedProductIdentifier1 : 697334261872 ExternallyAssignedProductIdentifier2 : 0697334261872 ExternallyAssignedProductIdentifier3 : 00697334261872 FinishType : Uncoated IncludedComponents : 3×Step Drills 3×Drill Bits 1×Center Punch ItemName : Cobra Carbide 31918 Micro Grain Solid Carbide N/C Spotting Drill Bit, Uncoated (Bright) Finish, Round Shank, Spiral Flute, 120 Degrees Split Point, 3/8" Size, 2-1/2" Length (Pack of 1) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : spotting-drill-bits Manufacturer : Cobra Carbide Material : Carbide ModelNumber : 31918 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : 31918 ProductDescription : Length 412mm Length Approx 6.8cm/ 2.64" 4-20mm Length: Approx. 7.2cm/ 2.91" 4-32mm Length: Approx. 10.3cm/ 4.02" The 3 Cutters Come in the Following Sizes: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) 4-12 4-20 4-32 length : 6.7cm/7.4cm/10.2cm DIY Supplies : Woodworking Material : High Speed Steel Type : Twist Drill Bit Use : Wood Drilling ProductSiteLaunchDate : 2013-08-10T08:00:01.000Z Size : 3/8 in Style : long-length SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Alloy Steel UnitCount : 1 UnspscCode : 20121600