Bosch Rotary Hammer Drill Bit SDS Plus Bulldog 5 Pack 4 Cutter Carbide Tipped (Concrete Rebar Masonry Anchor Fastener Aggregate Boring Driver) Size:3 16 inch x 8 inch square joint shoulders and removing square joint shoulders and removing bulk material across thick hardwood planks Plastic & Aluminum Routing: Milling non ferrous metals and acrylics smoothly without melting or welding chips to the cutting edge these bits feature a centric starting tip that prevents bit walking and planes through rebar without binding or shattering Hard Masonry Boring Shank Interface Connection SDS Plus Slotted Quick Change Standard Profile Cutter Head Architecture 4 Cutter Symmetrical Array with Tungsten Carbide Head Flute Spiral Configuration High Speed 4 Flute Dust Reduction Geometry Precision Starting Mechanism Integrated Centric Tip Centering Assembly Visual Inspection Feature Permanent ANSI Wear Mark Indicator Alignment Percussion Mode Rated Yes (Optimized for Heavy Duty Rotary Hammers) Package Quantity Count 5 Individual Drill Bits Compliance Safety Standards Meets or Exceeds Applicable ANSI B212