Specification Brand : AYCHOLIZ BulletPoint1 : Spotting Drill Bits: Point Angle: 90 Degree; Positioning and chamfering can be finished by one time. BulletPoint2 : Material: Solid carbide tools offer long tool life and faster cutting speeds than other substrates, Carbide can run at higher speeds than high-speed or cobalt steel, resisting wear and high cutting temperatures. BulletPoint3 : Features: Precision ground using the highest quality grinding wheels. High strength and hardness, abrasion resistant, practical, easy to use and durable in use. BulletPoint4 : Easy to Use: Universal chamfered round shank, easier clamping, stable cutting process. Suitable for CNC machining centers, CNC machine tools. BulletPoint5 : Tips: If the clamping length is shorter, you need to lower the feed rate and cutting speed to reduce vibration and extend the tool life. Select an appropriate feed rate and cutting speed to improve the tool life and obtain better processing accuracy and performance. Color : Bronze CuttingAngleString : 90.0 degrees FinishType : Finished IncludedComponents : NO ItemDisplayDimensions_Length : 3.5 centimeters ItemName : AYCHOLIZ Spotting Drill Bits 90 Degree Solid Carbide Spotting Drill 2Flutes Drilling Chamfering Tool for Steel-12mm ItemPackageDimensions_Height : 9.398 centimeters ItemPackageDimensions_Length : 0.889 centimeters ItemPackageDimensions_Width : 5.588 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : spotting-drill-bits Manufacturer : AYCHOLIZ Material : Hight Speed Steel With 5% Cobalt ModelName : E1917 ModelNumber : E1917 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 10 PartNumber : GYDXZ-2F-90°-12*100L PowerSourceType : ac/dc ProductDescription : If you are looking for a set of spotting drill bits that both high quality and High quality, this one is it. With features of high temperature and abrasion resistance, this set is more useful.