Features 6 Flute Design: This rotary hammer drill bit adopts 6 flutes design and this design has optimized cuttings removal and make drilling cleaner. Suitable Materials: This impact rotary hammer drill bit is suitable being used for work on concrete, masonry, stone, gypsum, etc. Self Centering: The impact hammer drill bit has a 6 flute self centering carbide tip to ensure fast cutting speeds and longer service life. Comprehensive Mechanical Properties: Our rotary hammer drill bit has good comprehensive mechanical properties, good low temperature impact toughness. 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 Bit Material: Cemented Carbide Drill Interface: Five Pit, For SDS Maximum Bit: 6 Flute Hole Drilling Diameter: Approx. 18mm/0.7in Thread Depth: Approx. 210mm/8.3in Drill Length: Approx. 350mm/13.8in Package List:1 x Rotary Hammer Drill Bit 1 x Storage Box Note:Manual measurement may have error. Please make sure you don't mind before ordering. Package List 1 x Rotary Hammer Drill Bit 1 x Storage Box