Specification Brand : uxcell BulletPoint : Surface treated high speed steel with 135-degree split point. BulletPoint1 : Total Length: 95mm / 3.7"; Shank Diameter: 6.3mm BulletPoint2 : Product Name: Twist Drill Bit; Package Content: 2pcs x Twist Drill Bit BulletPoint3 : Material: HSS, Cobalt; Flute Length: 55mm / 2.2" BulletPoint4 : Bit Diameter: 6.3mm; Weight: 32g BulletPoint5 : Fearure: Straight Shank; Color: Champagne Color Color : 6pcs(4/5/6/8/10/12) CuttingAngleString : 135.0 degrees ExternallyAssignedProductIdentifier1 : 081838336127 ExternallyAssignedProductIdentifier2 : 0081838336127 FinishType : Brass GpsrSafetyAttestation : 1 IncludedComponents : Point Drill ItemName : uxcell 6.3mm Drilling Dia Straight Shank HSS Cobalt Metric Twist Drill Bit 2pcs ItemPackageDimensions_Height : 10.3 centimeters ItemPackageDimensions_Length : 5.3 centimeters ItemPackageDimensions_Width : 7.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : metalworking-and-multipurpose-drill-bit-sets Manufacturer : uxcell Material : High Speed Steel Material1 : Stainless Steel Material2 : Cobalt Material3 : High Speed Steel Material4 : Alloy Steel ModelNumber : 33612 NumberOfFlutes : 1 NumberOfItems : 2 NumberOfPieces : 1 PackageLevel : unit PartNumber : a17011600ux0362 ProductDescription : This product is made of high speed steel and cobalt material. After using full grinding process, it has stronger cutting ability and longer service life. Suitable for processing non-ferrous metals (such as copper and aluminum), non metallic and ferrous metals (such as iron, steel and stainless steel). Straight shank works in both keyed and key-less drill chucks. The advantages of full grinding drill bit:High geometric precision, strong cutting ability. Smooth surface finish, long service life. Wider using range (rough processing, finishing, semi finishing), and comes with edge clear function, make processing products have better surface finish.