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.
A close-up, top-down view of the bit head, highlighting the upgraded four-grind carbide centering tip 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 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.
A close-up, top-down view of the bit head, highlighting the upgraded four-grind carbide centering tip 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 HCBG21T 5/8 Inch x 10 Inch x 12 Inch BlueGranite Turbo Carbide Hammer Drill Bit Impact Rated Hex Shank for Masonry Concrete and Brick

In stock
SKU: HCBG21T
$17.89 USD

Description

Achieve Professional Precision and 2X Faster Drilling Speeds in Toughest Masonry

The Bosch HCBG21T 5/8" x 12" BlueGranite Turbo™ Carbide Hammer Drill Bit is engineered for professionals who demand maximum efficiency on the job site. Designed to deliver 5x longer life and 2x faster speeds than standard masonry bits, this bit significantly reduces downtime and increases on-the-job productivity. Whether you are anchoring into aged concrete, drilling through hard brick, or working with stone and block, the upgraded four-grind head provides additional cutting angles that shear through material with ease. The multi-grind centering tip ensures that your holes start exactly where you want them, eliminating bit walking and ensuring surgical precision in masonry and concrete applications.

Redesigned to meet the demands of modern high-torque equipment, this impact-rated bit features a hex shank that provides an aggressive hold in impact drivers and hammer drill/drivers. The bit is further enhanced with milled U-flutes featuring deep-cut spirals for rapid dust removal, keeping the hole clean and preventing heat buildup that can compromise bit integrity. Manufactured with Bosch-made carbide, this bit offers outstanding durability under heavy loads and is specifically optimized for high-impact applications in the most demanding materials.

Key Features

  • Turbocharged Performance: Delivers 5x the service life and 2x the drilling speed compared to standard masonry bits.
  • Impact Rated Hex Shank: Specifically redesigned for use in high-torque impact drivers and hammer drills for maximum versatility.
  • Advanced Four-Grind Head: Features two additional cutting angles for faster material removal and extended bit longevity.
  • Multi-Grind Centering Tip: Specifically designed for precise, non-slip starts in brick, stone, and masonry.
  • Deep-Cut U-Flutes: Milled spirals ensure fast dust and debris evacuation to prevent clogging and overheating.
  • Bosch Proprietary Carbide: Premium carbide blend ensures the bit head remains sharp and robust under heavy impact loads.
  • Robust Impact Design: Built to provide industrial-grade durability in consistent percussion applications.

What's Included

  • (1) 5/8 In. x 10 In. x 12 In. BlueGranite Turbo™ Carbide Hammer Drill Bit

Specifications

Brand Bosch
Sub Brand BlueGranite Turbo™
Drill Size 5/8 in.
Overall Length 12 in.
Flute Length 10 in.
Material Carbide Tipped
Shank Type Hex / Round
Shank Diameter 3/8 in.
Impact Rated Yes
Primary Application Concrete, Stone, Masonry

Pro-Tip: When drilling deep holes in masonry, use a "pecking" motion by periodically pulling the bit slightly out of the hole while it is still spinning. This allows the deep-cut U-flutes to eject packed dust more effectively, keeping the carbide tip cool and extending the life of your bit significantly during intensive 12-inch drilling runs.