Product details:
Diameter: 9/16 inch - Overall Length: 21 inch - Drillable Length: 16 inch - Shank: SDS-MAXCarbide Tipped 2-Cutter Head Design - For Use In Concrete And Hard Masonry Materials - Centering Point For Improved Positioning And Starting - Reinforced Core And Flutes For Maximum Energy Transfer And Reduced Vibrations - Flute Design Quickly Channels Debris From The Hole