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 Patented Long Tenon Technology: Engineered Patented Long Tenon Technology: Engineered to produce extended tenon lengths that maximize structural gluing surface area for high use doors 000 RPM on table mounted routers 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 (5) Bosch SDS Plus Bulldog 4 Cutter Carbide Tipped Rotary Hammer Drill Bits