Studio view of the six-piece Bulldog bit set arranged diagonally, featuring four SDS-plus rotary hammer drill bits of increasing length and two chisels, one pointed and one flat.
Infographic diagram of a single Bulldog drill bit detailing features such as the centering tip, 4-cutter head design, carbide tip, and four-flute design for dust removal.
Graphic titled Best For displaying material icons for Masonry, Brick, Block, Concrete, and Concrete with rebar to indicate suitable applications.
Action shot of a worker drilling into a wall with a text overlay stating Up To 2X Life compared to standard 2-cutter concrete drill bits.
Action shot of a construction worker using a Bosch Bulldog rotary hammer with a dust extraction attachment to drill vertically into a concrete slab.
Studio view of the six-piece Bulldog bit set arranged diagonally, featuring four SDS-plus rotary hammer drill bits of increasing length and two chisels, one pointed and one flat.
Infographic diagram of a single Bulldog drill bit detailing features such as the centering tip, 4-cutter head design, carbide tip, and four-flute design for dust removal.
Graphic titled Best For displaying material icons for Masonry, Brick, Block, Concrete, and Concrete with rebar to indicate suitable applications.
Action shot of a worker drilling into a wall with a text overlay stating Up To 2X Life compared to standard 2-cutter concrete drill bits.
Action shot of a construction worker using a Bosch Bulldog rotary hammer with a dust extraction attachment to drill vertically into a concrete slab.
BOSCH

Bosch Rotary Hammer Bit Set Bulldog 6 Piece Carbide Tipped 4 Cutter Masonry Concrete Drill Chisel Kit SDS Plus Chuck Heavy Duty Anchor Installation

In stock
SKU: HC4ST006
$38.79 USD

Description

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Heavy Duty Concrete Masonry Drilling Kit for Jam Free Rebar Penetration

The Bosch Bulldog 6-Piece SDS-plus Rotary Hammer Bit Set delivers industrial-grade concrete drilling and light chipping capabilities for commercial anchoring and demolition projects. Featuring a robust high-carbon steel body integrated with a solid carbide four-cutter head, these bits provide an extended operational life up to twice as long as standard two-cutter configurations when striking structural rebar. The specialized four-flute geometry accelerates dust and debris evacuation from the hole entry, decreasing heat buildup and protecting the bit matrix against early thermal failure. Designed with a precise centering tip for accurate anchor hole placement, this kit optimizes execution efficiency across structural brick, stone, and reinforced concrete substrates.

Best Used For:

  • Commercial Anchor Setting: Boring precision diameters into reinforced foundation walls to drop mechanical anchors or threaded rods.
  • Utility Wall Penetrations: Drilling clear entry channels through concrete block and structural masonry for electrical conduit or commercial piping.
  • Light Demolition Projects: Chipping away excess mortar, breaking up concrete slag, and modifying brick structural layouts using the included chisels.

Key Performance & Safety Features

  • 4-Cutter Carbide Head: Solid carbide head geometry delivers four independent cutting edges to prevent binding and jamming upon rebar impact.
  • Extended Service Life: Advanced material construction yields up to 2X longer operating life within reinforced concrete than conventional bits.
  • Precision Centering Tip: Promotes instantaneous self-centering actions to prevent hole deviation and walk during high-impact starts.
  • Optimized Four-Flute Body: Maximizes the volume of concrete dust extracted per second to maintain optimal linear drilling velocities.
  • Integrated Wear Mark: Provides a visual metric indicating the bit remains true to tolerance specifications for secure anchor installation.

What's Included

  • (1) 5/32" x 4" x 6" SDS-plus Drill Bit
  • (1) 3/16" x 4" x 6" SDS-plus Drill Bit
  • (1) 1/4" x 4" x 6" SDS-plus Drill Bit
  • (1) 3/8" x 4" x 6" SDS-plus Drill Bit
  • (1) SDS-plus Flat Chisel
  • (1) SDS-plus Point Chisel

Technical Specifications

Brand Bosch
Series Bulldog
Shank Type SDS-plus
Body Material High-Carbon Steel
Tip Material Solid Carbide
Head Design 4-Cutter
Primary Applications Concrete, Brick, Stone, Masonry
Package Quantity 6 Pieces
Tool Compatibility Rotary Hammers with SDS-plus Chucks
Rebar Compatible Yes (Drill Bits Only)

Pro-Tip: Let the rotary hammer mechanical action do the work rather than leaning hard against the tool tool body. Pulling the bit back slightly every few inches helps clear packed masonry dust from the deep four-flute valleys, enhancing extraction speed and keeping the carbide tip cool.