Studio view of a single Bosch BlueGranite Turbo 1/4 inch hammer drill bit showing the blue flutes and carbide tip along its 12 inch length.
Top-down close-up view of the drill bit head showing the 2-cutter carbide tip design for masonry drilling.
Graphic titled Best For displaying images of masonry, brick, block, and concrete to show suitable materials.
High-angle action shot of a gloved worker using a Bosch rotary hammer to drill downwards into a concrete floor.
Action shot of a worker securing a large metal panel to a block wall using a drill equipped with a BlueGranite Turbo bit.
Action shot of a worker installing an outlet box in a kitchen, using a cordless drill with the BlueGranite bit to drill into a tiled wall.
Action shot of a worker wearing a yellow hard hat using a drill to anchor a metal electrical box into a white cinder block wall.
Cross-section action shot showing the drill bit penetrating a concrete slab and drilling directly through an embedded steel rebar.
Studio view of a single Bosch BlueGranite Turbo 1/4 inch hammer drill bit showing the blue flutes and carbide tip along its 12 inch length.
Top-down close-up view of the drill bit head showing the 2-cutter carbide tip design for masonry drilling.
Graphic titled Best For displaying images of masonry, brick, block, and concrete to show suitable materials.
High-angle action shot of a gloved worker using a Bosch rotary hammer to drill downwards into a concrete floor.
Action shot of a worker securing a large metal panel to a block wall using a drill equipped with a BlueGranite Turbo bit.
Action shot of a worker installing an outlet box in a kitchen, using a cordless drill with the BlueGranite bit to drill into a tiled wall.
Action shot of a worker wearing a yellow hard hat using a drill to anchor a metal electrical box into a white cinder block wall.
Cross-section action shot showing the drill bit penetrating a concrete slab and drilling directly through an embedded steel rebar.
BOSCH

Bosch Hammer Drill Bit HCBG08T 1/4 Inch BlueGranite Turbo 12 Length Power Grip Round Shank Carbide Tipped Masonry Concrete Deep Boring Alignment Tool

Only 2 left
SKU: HCBG08
$11.99 USD

Description

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Industrial-Grade 1/4-Inch x 12-Inch Extended Masonry Bit with Power Grip Round Shank, Four-Grind Carbide Centering Tip, and Deep Evacuation U-Flutes

The Bosch HCBG08T BlueGranite Turbo 1/4 Inch Hammer Drill Bit 12 Inch Length Power Grip Round Shank Carbide Tipped Masonry Concrete delivers specialized deep rotary percussive excavation utility and exceptional substrate penetration efficiency across demanding structural masonry framing and wall anchor installations. Engineered with a robust 1/4-inch Power Grip round shank configuration that interfaces natively with standard three-jaw hammer drill chucks, this premium bit maintains 2x faster drilling speeds and up to 5x longer operational life loops than baseline masonry models. This professional contractor solution resolves frequent bit-walking accuracy errors on polished concrete surfaces, deep-hole tool binding stalls caused by compact aggregate dust accumulation, and rotational shank slippage under high torque loads by integrating a specialized multi-grind carbide centering pilot with milled deep-spiral U-flutes and an upgraded four-grind head matrix carrying two additional cutting angles. Outfitted with an essential 1/4-inch boring diameter, an extended 12-inch overall structural tool length providing a 10-inch active flute clearance depth, and custom-formulated Bosch carbide wear tips, this heavy-duty accessory optimizes subcontractor mounting metrics during long anchor installation settings, commercial utility wall pass-through routing, and heavy structural brick alignment staging.

Best Used For:

  • Deep Wall Pass-Through Routing: Boring clean, long conduits pilot channels up to 10 inches deep natively through thick structural masonry brick or poured concrete blocks.
  • Extended Mechanical Anchor Staging: Sizing tight, uniform structural fastener paths safely to set deep mechanical sleeve components and long masonry anchors without bit drift.
  • Subcontractor Utility Installations: Running plumbing lines, electrical wire pathways, or commercial gas tracks single-handedly through dense exterior aggregate barriers.

Key Performance & Safety Features

  • Power Grip Round Shank: Power-hardened 1/4-inch round mounting base features aggressive gripping faces to stop chuck slippage errors completely, transmitting percussive hammer drill vectors smoothly.
  • Four-Grind Cutting Matrix: Upgraded head engineering introduces two extra cutting angle paths to maximize aggregate material fracture speeds and lower motor burden drops.
  • Multi-Grind Centering Pilot: Integrated mechanical pilot tip bites into concrete boundaries immediately upon trigger pull, preventing wandering paths and surface gouging errors.
  • Milled U-Flute Deep Spirals: Extra-wide dual evacuation pathways channel abrasive powder lines out of deep active holes continuously, mitigating thermal damage and core binding stalls.
  • Bosch Sintered Carbide Base: Micrograin carbide head tip composition resists devastating fracture wear points under heavy loads, retaining edge accuracy across long stone runs.

What's Included

  • (1) Bosch BlueGranite Turbo™ 1/4-Inch x 12-Inch Power Grip Round Shank Carbide-Tipped Masonry Drill Bit (HCBG08T)

Technical Specifications

Specification Value
Brand Name Bosch
Model Number HCBG08T
Product Series Alliance BlueGranite Turbo™
Product Classification Type Extended Reach Masonry Drill Bit Accessory
Connection Shank Type Power Grip Round Shank
Connection Shank Size Style 1/4 in.
Drill Bit Outer Diameter 1/4 in.
Total Mechanical Tool Length 12 in.
Maximum Usable Flute Sizing Length 10 in. max hole depth
Total Internal Flute Count 2 Flutes Array
Working Head Face Material Carbide Tipped Four-Grind Profile Matrix
Target Application Substrates Poured Concrete, Cinder Blocks, Brick Mortar, Hard Natural Stone

Pro-Tip: When routing deep horizontal pass-through holes in masonry walls, periodically pull the bit partially back out of the hole without stopping tool rotation. This mechanical packing action assists the 2-flute spiral tracks in completely clearing loose aggregate debris columns, keeping operating temperatures controlled.