DescriptionBosch 1 1/2" x 21" Spline Speed X Rotary Hammer BitBosch brings constant innovation to concrete and masonry drilling. The product's tungsten-carbide tip provides superior wear resistance in tough applications. Resists extreme loads while its efficient design helps enhance the power of the hammer for more effective performance.FeaturesTungsten-carbide tip provides superior wear resistance in tough applicationsPatented four-cutter tip design that provides optimal performanceLarge flute volume for fast drilling， dust transport and less cloggingActive-centering tip for optimum guidance when drilling in concrete and reinforced concreteInclined side cutters for aggressive drillingSpecificationsBrand NameBoschAssembled Weight (lbs)4.02Bit Diameter1-1/2 In.Bit MaterialCarbide TippedCalifornia Proposition 65 Warning RequiredNoColor CodedNoCountry of OriginGermanyFlute Length (in)16globalTradeItemNumber (GTIN)00000346207743Internal Supplier Part #2610007559Internet Product Code (IPC)2FADC7AE37DManufacturer WarrantyProduct Defects OnlyPackage Contents1 BitPackage Depth0.72Package Height24.5Package Weight4.02Recommended Safety EquipmentEye， ear and dust protectionShank Diameter0UPC000346207743Manuals Warranty - PDF