Specification Brand : SEIWEI BulletPoint1 : Unique step structure, one drill bit can open a variety of sizes and sizes, and one step drills to a box of drill bits. BulletPoint2 : No need to use the center punch, compared with ordinary twist drill is not easy to break. On-site construction, a variety of specifications for a step drill. BulletPoint3 : Deburring, chamfering, open elliptical hole expansion, twist drill can not complete the function it becomes possible. BulletPoint4 : Compared with ordinary twist drills. Shaking is small, and you don't need to lead the center punch to open a beautiful aperture. BulletPoint5 : The use of tools: pistol drill, bench drill. When the water is cooled while working, it can effectively extend the service life of the drill bit. The recommended drilling speed is 250-400 rpm. Color : Factory ExternallyAssignedProductIdentifier1 : 802090165030 ExternallyAssignedProductIdentifier2 : 0802090165030 ExternallyAssignedProductIdentifier3 : 00802090165030 FinishType : Titanium GpsrSafetyAttestation : 1 IncludedComponents : drill set ItemDisplayDimensions_Height : 0.8 inches ItemDisplayDimensions_Length : 5.7 inches ItemDisplayDimensions_Width : 4.7 inches ItemDisplayWeight : 0.25 pounds ItemName : High Speed Steel Step Drill Bit, 4-42mm Titanium Step Drill Multiple Hole Stepped Up Cone Bit for DIY Lovers ItemPackageDimensions_Height : 18.5928 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 15.0114 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : step-drill-bits Manufacturer : SEIWEI Material : High Speed Steel Material1 : Carbon Steel Material2 : High Speed Steel ModelNumber : HA5386 NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 3 PackageLevel : unit PartNumber : HA5386 ProductDescription : Specification:
Name: Step drill
Material: high speed steel 4241 (suitable for workpieces with hardness below 25 , such as carbon steel, sheet thickness below 5MM)