Feature:1. 6 Flute Design: This rotary hammer drill bit adopts 6 flutes design and this design has optimized cuttings removal and make drilling cleaner.2. Suitable Materials: This impact rotary hammer drill bit is suitable being used for work on concrete, masonry, stone, gypsum, etc.3. Self Centering: The impact hammer drill bit has a 6 flute self centering carbide tip to ensure fast cutting speeds and longer service life.4. Comprehensive Mechanical Properties: Our rotary hammer drill bit has good comprehensive mechanical properties, good low temperature impact toughness.5. Cool Keeping: Rotary hammer drill bit allows the material to exit the hole quickly while keeping the concrete hammer bit cool.Specification:Item Type: Rotary Hammer Drill BitMaterial: Cemented CarbideDrill Interface: Five Pit, For SDS MaximumBit: 6 FluteHole Drilling Diameter: Approx. 18mm/0.7inThread Depth: Approx. 210mm/8.3inDrill Length: Approx. 350mm/13.8in.Package List:1 x Rotary Hammer Drill Bit1 x Storage BoxNote:Manual measurement may have error. Please make sure you don't mind before ordering.