A studio product shot of the Bosch 7/8-inch x 12-inch BlueGranite Turbo carbide hammer drill bit, featuring signature blue flutes and a silver impact-rated hex shank.
A side-view close-up of the upper portion of the BlueGranite Turbo drill bit, showing the sharpened carbide tip and the deep-cut milled U-flute design.
A close-up, top-down view of the drill bit head, highlighting the upgraded four-grind carbide centering tip designed for faster cutting and precise starts.
An informational graphic titled Best For, featuring labeled photos of masonry, brick, block, and concrete as the ideal primary material applications for this bit.
An action shot showing the Bosch hammer drill bit as it bores into a concrete surface, demonstrating effective dust removal from the hole during use.
A worker in a plaid shirt uses a cordless hammer drill with the BlueGranite bit to drill into a stone tile backsplash in a kitchen.
A worker wearing a yellow hard hat and safety glasses uses a hammer drill to drill into a white cinder block wall in an industrial setting.
The Bosch 3/8-inch x 10-inch BlueGranite Turbo bit resting on a granite countertop next to a stack of tiles and a concrete block.
A promotional action shot showing a worker suspended by a rope harness while using a hammer drill and BlueGranite bit to drill into a kitchen backsplash.
A studio product shot of the Bosch 7/8-inch x 12-inch BlueGranite Turbo carbide hammer drill bit, featuring signature blue flutes and a silver impact-rated hex shank.
A side-view close-up of the upper portion of the BlueGranite Turbo drill bit, showing the sharpened carbide tip and the deep-cut milled U-flute design.
A close-up, top-down view of the drill bit head, highlighting the upgraded four-grind carbide centering tip designed for faster cutting and precise starts.
An informational graphic titled Best For, featuring labeled photos of masonry, brick, block, and concrete as the ideal primary material applications for this bit.
An action shot showing the Bosch hammer drill bit as it bores into a concrete surface, demonstrating effective dust removal from the hole during use.
A worker in a plaid shirt uses a cordless hammer drill with the BlueGranite bit to drill into a stone tile backsplash in a kitchen.
A worker wearing a yellow hard hat and safety glasses uses a hammer drill to drill into a white cinder block wall in an industrial setting.
The Bosch 3/8-inch x 10-inch BlueGranite Turbo bit resting on a granite countertop next to a stack of tiles and a concrete block.
A promotional action shot showing a worker suspended by a rope harness while using a hammer drill and BlueGranite bit to drill into a kitchen backsplash.
BOSCH

Bosch Hammer Drill Bit HCBG27T 1 Inch Carbide Masonry Cutter (3/8 Hex Shank 12 Inch Length High Speed Concrete Brick Impact Percussion Drilling)

In stock
SKU: HCBG27T
$32.99 USD

Description

Bosch Promtional Logo Logout

Industrial Impact-Rated Hex Shank Carbide Bit for High-Speed Structural Concrete and Brick Percussion Drilling

The Bosch HCBG27T 1-Inch x 12-Inch BlueGranite Turbo Carbide Hammer Drill Bit delivers professional-grade mechanical penetration rates when anchoring heavy-duty fasteners, piping runs, and commercial conduit layouts into dense concrete, brick, and stone masonry. Engineered with an advanced four-grind cutting head geometry, this impact-rated percussion tool adds extra shear angles to achieve twice the drilling speed of standard masonry bits under heavy structural loads. The multi-grind centering tip anchors the entry coordinate immediately to eliminate bit walking on smooth surfaces, while the upgraded 3/8-inch hex shank system locks securely into high-torque impact drivers or hammer drill chucks to transmit maximum operating torque without rotational slippage. Milled deep-cut U-flutes accelerate waste evacuation along the spiral flute path, preventing packed debris friction and thermal degradation during deep-hole mechanical anchoring cycles.

Best Used For:

  • Large-Bore Fastener Anchor Layouts: Drilling precise 1-inch diameter anchor points in hardened aged concrete foundations to receive structural mechanical anchors and sleeve anchors.
  • Commercial Utility Conduit Openings: Boring clean, high-speed routing pathways through hard-fired exterior brick and block masonry for plumbing pipes, electrical conduit, and HVAC lines.
  • High-Impact Structural Masonry Fastening: Executing fast, repetitive percussion deep-hole runs in aggregate concrete blocks, building stone, and heavy structural mortar layers.

Key Performance & Safety Features

  • Four-Grind Head Architecture: Advanced tip delivers four distinct cutting faces to maximize concrete fracturing speed and extend industrial service lifetimes up to 5X.
  • Impact-Rated Hex Shank: Redesigned 3/8-inch hex shank provides an aggressive mechanical hold inside high-torque impact drivers and hammer drills, completely eliminating chuck spinning.
  • Multi-Grind Centering Point: Micro-balanced sharp starter apex bites instantly into brick or smooth block surfaces to safeguard absolute drilling coordinates and prevent bit walking.
  • Deep-Cut Dust U-Flutes: Open milled helix geometry accelerates material waste extraction out of deep blind holes, preventing thermal binding and bit stalling.
  • Bosch Proprietary Carbide: Premium carbide blend tip resists extreme stress cracking and structural tip shattering under continuous high-impact pounding from percussion tools.

What's Included

  • (1) Bosch HCBG27T 1" x 12" BlueGranite Turbo™ Carbide Hammer Drill Bit

Technical Specifications

Specification Value
Brand Bosch
Trade Name BlueGranite Turbo™
Model Number HCBG27T
Product Type Hammer Drill Bit
Drill Diameter 1.000 in
Overall Length 12.000 in
Shank Configuration Hex Shank
Shank Size 0.375 in (3/8")
Bit Material Carbide Tipped
Impact Rated Yes
Primary Application Concrete, Stone, Masonry, Brick
Package Quantity 1

Pro-Tip: To optimize debris removal and prevent hole sidewall packing during deep 12-inch percussion drill runs, implement a regular pull-back clearing motion. Retracting the bit slightly every few inches allows the fast-spinning deep-cut U-flutes to eject structural dust loads quickly, protecting the carbide tip from premature thermal degradation.