DescriptionBosch 7/8 In. x 21 In. Spline Speed-X Rotary Hammer BitBosch brings constant innovation to concrete and masonry drilling. Bosch developed custom-manufactured carbide and diffusion bonding technology to provide better performance and durability. Speed-X? delivers high performance in precision anchoring and drilling applications.FeaturesTungsten-carbide tip provides superior wear resistance in tough applicationsActive-centering tip for optimum guidance when drilling in concrete and reinforced concreteLarge flute volume for fast drilling， dust transport and less cloggingNarrow flute back for reduced friction between bit and materialSpecificationsBrand NameBoschAssembled Weight (lbs)1.5 Bit Diameter7/8 In.Bit MaterialCarbide TippedCalifornia Proposition 65 Warning RequiredYesColor CodedNoCountry of OriginGermanyDiameter7/8 inFlute Length (in)16.000000globalTradeItemNumber (GTIN)00000346207620Internal Supplier Part #2610007541Internet Product Code (IPC)A46BD1C2BB7Manufacturer WarrantyLimited Manufacture warrantyPackage Contents1 BitPackage Weight2.0Package Weight (lbs)2Recommended Safety EquipmentEye， ear and dust protectionShank Diameter0.0UPC000346207620