A studio product shot of the Bosch 1/2" x 12" 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.
An informational graphic titled Best For, featuring labeled photos of masonry, brick, block, and concrete as the ideal primary material applications for this bit.
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.
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 1/2" x 12" 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.
An informational graphic titled Best For, featuring labeled photos of masonry, brick, block, and concrete as the ideal primary material applications for this bit.
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.
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 HCBG18T 1/2 Inch Carbide Masonry Cutter (Hex Shank 12 Inch Length High Speed Concrete Brick Impact Percussion Drilling)

In stock
SKU: HCBG18T
$18.79 USD

Description

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

The Bosch HCBG18T 1/2-Inch x 12-Inch BlueGranite Turbo Carbide Hammer Drill Bit delivers professional-grade mechanical penetration rates when anchoring fasteners into dense aged concrete, structural brick, and solid masonry blocks. 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 impact loads. The multi-grind centering tip anchors the entry coordinate immediately to eliminate bit walking, while the upgraded hex shank system locks securely into standard impact drivers or hammer drill chucks to transmit maximum operating torque without rotational slippage. Milled deep-cut U-flutes accelerate waste evacuation along the 10-inch flute path, preventing packed debris friction and thermal degradation during deep-hole structural anchoring cycles.

Best Used For:

  • Structural Anchor Hole Layouts: Drilling precise 1/2-inch anchor points in hardened aged concrete foundations to receive heavy mechanical drop-in fasteners, sleeve anchors, or wedge shields.
  • Commercial Brick Wall Openings: Boring clean, high-speed routing holes through hard-fired exterior brick masonry for electrical wire, mechanical conduit runs, and utility hookups.
  • High-Impact Structural Block Fastening: Executing fast, repetitive percussion deep-hole runs in lightweight aggregate concrete blocks, masonry stone, and 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 shank interface provides an aggressive hold inside high-torque impact drivers and rotary drills, completely eliminating chuck spinning.
  • Multi-Grind Centering Point: Micro-balanced sharp starter apex bites instantly into smooth brick or stone surfaces to safeguard absolute drilling coordinates.
  • 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 resists extreme stress cracking and tip shattering under continuous high-impact pounding from percussion tools.

What's Included

  • (1) 1/2 In. x 10 In. x 12 In. BlueGranite Turbo™ Carbide Hammer Drill Bit

Technical Specifications

Specification Value
Brand Bosch
Sub Brand BlueGranite Turbo™
Model Number HCBG18T
Drill Bit Diameter 0.50 in (1/2")
Overall Length 12.0 in
Usable Flute Length 10.0 in
Shank Type Hex Shank
Shank Diameter 0.3125 in (5/16")
Bit Material Carbide Tipped
Impact Rated Yes
Primary Application Concrete, Stone, Masonry, Brick

Pro-Tip: To optimize debris removal and prevent hole sidewall packing during deep 10-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.