A Bosch SDS Plus Bulldog rotary hammer drill bit shown vertically on a plain white background, highlighting its slotted quick-change SDS-plus machining shank, an optimized deep-grooved four-flute spiral layout engineered for accelerated stone dust extraction, and a heavy-duty four-cutter tungsten carbide tip built for clean aggregate penetration and reinforced concrete rebar boring operations.
A Bosch SDS Plus Bulldog rotary hammer drill bit shown vertically on a plain white background, highlighting its slotted quick-change SDS-plus machining shank, an optimized deep-grooved four-flute spiral layout engineered for accelerated stone dust extraction, and a heavy-duty four-cutter tungsten carbide tip built for clean aggregate penetration and reinforced concrete rebar boring operations.
A Bosch SDS Plus Bulldog rotary hammer drill bit shown vertically on a plain white background, highlighting its quick-change slotted SDS-plus machining shank, an optimized deep-grooved four-flute spiral layout engineered for accelerated stone dust extraction, and a heavy-duty four-cutter tungsten carbide tip built for clean aggregate penetration and reinforced concrete rebar boring operations.
A studio photograph of a single Bosch SDS-Plus Bulldog rotary hammer drill bit with a metallic body, reddish-brown dual-spiral flute, an SDS-Plus slotted shank with 'BOSCH' and a 1/2 size marking, and a prominent 4-cutter tungsten carbide tip, set against a plain white background.
An extended Bosch SDS Plus Bulldog rotary hammer drill bit positioned vertically against a white background, highlighting its extra-long 4-flute deep spiral fluting for continuous debris clearance, a universal quick-change slotted SDS-plus machining shank, and a premium high-durability four-cutter carbide tip designed for heavy duty aggregate masonry anchoring and deep concrete boring.
An ultra-long Bosch SDS Plus Bulldog rotary hammer drill bit positioned vertically against a seamless white background, showcasing an extended high-capacity four-flute spiral shaft for deep-hole masonry dust extraction, a quick-change slotted SDS-plus machining shank, and a heavy-duty four-cutter carbide tip optimized for boring clean anchor fastener paths through deep structural concrete, rebar, and aggregate.
An extra-long Bosch SDS Plus Bulldog rotary hammer drill bit shown vertically on a solid white background, highlighting its highly extended thin-profile four-flute spiral fluting for deep masonry clearance, a quick-change slotted SDS-plus structural machining shank, and a precision four-cutter carbide-tipped nose head engineered for deep structural concrete anchor fastener boring.
BOSCH

Bosch SDS Plus Bulldog Rotary Hammer Drill Bit 5 Pack 4 Cutter Carbide Tipped Heavy Duty Concrete Rebar Masonry Anchor Fastener Aggregate Boring Driver

Only 2 left
SKU: HC2011B5
$22.99 USD

Size
Description

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Plow Through Heavy Structural Rebar and Excavate True Center Holes with Premium Four-Cutter Tungsten Carbide Percussion Bits

Maximize your heavy-duty commercial anchoring efficiency and overcome subterranean structural steel barriers seamlessly with the professional-grade Bosch SDS Plus Bulldog 4-Cutter Rotary Hammer Drill Bit. Meticulously engineered for commercial concrete tradesmen, industrial masonry contractors, structural engineers, and heavy utility installation crews, this high-performance percussion-rated tool represents the pinnacle of concrete boring technology. Striking high-tensile structural rebar loops or embedded tie-wire paths using basic two-cutter masonry bits typically results in instantaneous tip fracturing, violent handle recoil, and severely misshapen holes that violate strict anchor layout profiles. This industrial-grade bit solution solves those hazardous jobsite limits directly, matching a balanced, premium tungsten carbide four-cutter head array with an advanced centric-point starting tip that holds center perfectly and planes through steel without locking up your rotary hammer.

Forged from optimized, high-strength alloy tool steel, these heavy-duty bits undergo a proprietary heat-treatment process to guarantee long-lasting core toughness and maximum fatigue resistance under relentless percussive cycles. The streamlined, deep four-flute core geometry functions as an ongoing mechanical vacuum, sweeping away highly abrasive rock powder, aggregate dust, and hot masonry slurry at accelerated rates to dramatically reduce operational friction and lower running temperatures. For complete compliance verification on site, each bit features an integrated, precision-machined wear mark indicator that gives operators a clear visual alert the moment the cutting profile deviates past maximum ANSI anchor specification thresholds. Complete with a universal quick-change slotted SDS-Plus shank that prevents rotational slippage under peak high-torque impacts, this essential aggregate boring bit ensures fast, clean tracking and unyielding jobsite output loop after loop.

Key Features

  • Premium 4-Cutter Solid Head Design: Specifically engineered to plane directly through heavy embedded structural rebar without catching, binding, or shattering.
  • High-Quality Tungsten Carbide: Fortified with elite-grade tough tungsten carbide structures to ensure phenomenal tip strength and structural edge durability under heavy loads.
  • High-Efficiency 4-Flute Extraction: Deeply optimized four-flute spiral architecture accelerates dust reduction and evacuates hot masonry slurry rapidly to keep the bit running cooler.
  • Integrated ANSI Wear Mark Profile: Embedded visual indicator gauge tracks tool wear, signaling when the tip has traveled beyond code-compliant anchoring limits.
  • Precision Centric Starting Tip: Advanced focal point tip provides immediate mechanical tracking, stopping bit walking and ensuring rapid, clean starts in tough concrete.

What's Included

  • (5 Pack) SDS Plus Bulldog 4-Cutter Carbide-Tipped Rotary Hammer Drill Bit

Specifications

Specification Profile Details / Performance Value
Brand Name Bosch
Product Line Family Bulldog™ Series
Tool Variant Type SDS Plus Rotary Hammer Drill Bit
Primary Field Applications Heavy-Duty Reinforced Concrete, Rebar, Stone, Block, and Hard Masonry Boring
Shank Type (Machining) SDS Plus Slotted Quick-Change Standard Profile
Core Tip Edge Material High-Quality Tough Tungsten Carbide Head
Total Number of Cutting Heads 4-Cutter Symmetrical Processing Array
Flute Configuration Style High-Speed 4-Flute Dust Reduction Geometry
Percussion Settings Rated Yes (Engineered for Heavy-Duty Rotary Hammer Demands)
Precision Starting Core Integrated Centric Tip Profile Assembly
Visual Alert Layout Permanent Outer Wear Mark Indicator Alignment
Compliance Standards Meets or Exceeds Applicable ANSI Drilling Parameters
Required Safety Equipment Eye Protection, Ear Defenders, and Approved OSHA Dust Mask Assemblies

Pro-Tip: When running this four-cutter Bulldog bit through high-density aggregate and thick rebar layers, always maintain a steady, firm posture but let the impact mechanism of your rotary hammer drill apply the work rather than leaning your full body weight over the rear handle block. Forcing or pushing down heavily onto the tool frame does not increase speed; instead, it generates extreme friction loops that prematurely dull the high-quality carbide head profile. Lift the bit out of the hole briefly every couple of inches to blow out trapped abrasive dust, ensuring cooler operation and code-compliant anchor settings.