Studio view of twenty-five Bosch BlueGranite Turbo hammer drill bits arranged in a row with a yellow starburst graphic indicating a 25 Pack.
Angled studio view of a single Bosch BlueGranite Turbo 3/16 inch hammer drill bit showing the blue flutes, carbide tip, and hex shank.
Close-up detail view of the hex shank end of the drill bit, showing the impact-rated design for secure fitment in chucks.
Top-down view of the drill bit head showing the multi-grind carbide tip designed for precise starts and faster drilling in masonry.
Graphic titled Best For displaying images of masonry, brick, block, and concrete to show suitable materials.
Studio view of twenty-five Bosch BlueGranite Turbo hammer drill bits arranged in a row with a yellow starburst graphic indicating a 25 Pack.
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.
High-angle action shot of a gloved worker using a Bosch rotary hammer to drill downwards into a concrete floor.
Studio lifestyle shot of a single BlueGranite Turbo drill bit resting on a piece of granite next to stack of tiles and a concrete block.
Studio view of twenty-five Bosch BlueGranite Turbo hammer drill bits arranged in a row with a yellow starburst graphic indicating a 25 Pack.
Angled studio view of a single Bosch BlueGranite Turbo 3/16 inch hammer drill bit showing the blue flutes, carbide tip, and hex shank.
Close-up detail view of the hex shank end of the drill bit, showing the impact-rated design for secure fitment in chucks.
Top-down view of the drill bit head showing the multi-grind carbide tip designed for precise starts and faster drilling in masonry.
Graphic titled Best For displaying images of masonry, brick, block, and concrete to show suitable materials.
Studio view of twenty-five Bosch BlueGranite Turbo hammer drill bits arranged in a row with a yellow starburst graphic indicating a 25 Pack.
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.
High-angle action shot of a gloved worker using a Bosch rotary hammer to drill downwards into a concrete floor.
Studio lifestyle shot of a single BlueGranite Turbo drill bit resting on a piece of granite next to stack of tiles and a concrete block.
BOSCH

Bosch Hammer Drill Bit Set HCBG04B25T 3/16 Inch BlueGranite Turbo 25 Pack Impact Rated Hex Shank Carbide Tipped Masonry Concrete Anchoring Tool

In stock
SKU: HCBG04B25T
$68.99 USD

Description

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Commercial-Grade 25-Pack 3/16-Inch Impact-Rated Hex Shank Masonry Bit Set with Upgraded Four-Grind Carbide Centering Heads and Deep-Spiral Dust U-Flutes

The Bosch HCBG04B25T 25 Pack 3/16 Inch BlueGranite Turbo Hammer Drill Bits Impact Rated Hex Shank Masonry Concrete 6 Inch Length delivers specialized rotary percussive excavation utility and exceptional structural pilot hole preparation efficiency across high-volume residential, commercial, and engineering layout installations. Engineered with a unified 1/4-inch hex shank connection structure that interfaces natively with high-torque cordless impact drivers and standard percussive hammer drills, these premium bits maintain 2x faster drilling velocities and up to 5x longer operational lifespan cycles than baseline masonry models. This professional contractor kit resolves surface skidding placement errors on smooth brick face fields, structural tool binding stalls caused by compact aggregate dust pack loops, and catastrophic tip fragmentation under continuous impact loads by combining a 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 3/16-inch boring capacity, a 6-inch overall structural tool length providing a 4-inch maximum active depth, and a large bulk 25-piece package structure, this robust masonry bit matrix optimizes subcontractor mounting metrics during small masonry anchor installations, low-profile mechanical anchor screw pilot routing, and heavy electrical equipment staging cycles.

Best Used For:

  • Masonry Fastener Pilot Boring: Drilling precise, uniform pilot holes down to 4 inches deep natively for setting 3/16-inch concrete screws and structural anchor shields without bit drift.
  • Commercial Utility Strap Mounting: Pre-drilling rapid utility path channels through dense fired clay bricks and cinder block mortars to fix conduit boxes or light control panels single-handedly.
  • Subcontractor Service Call Layouts: Utilizing high-torque cordless impact drivers in confined wiring channels or ceiling bays to quickly establish reliable anchors in masonry boundaries.

Key Performance & Safety Features

  • Impact Rated Hex Shank: Power-hardened 1/4-inch hex mounting base stops chuck slippage errors completely, transmitting percussive hammer drill impact 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: Evacuation pathways channel abrasive powder lines out of active holes continuously, mitigating thermal damage and core binding stalls.
  • Bosch Sintered Carbide Base: Micrograin carbide composition resists devastating fracture wear points under heavy loads, retaining edge accuracy across long stone runs.

What's Included

  • (25) Bosch BlueGranite Turbo™ 3/16-Inch x 6-Inch Hex Shank Carbide-Tipped Masonry Drill Bits (HCBG04B25T)

Technical Specifications

Specification Value
Brand Name Bosch
Model Number HCBG04B25T
Product Series Alliance BlueGranite Turbo™
Product Classification Type Impact Rated Masonry Drill Bit Bulk Set
Connection Shank Type Hex Shank quick-change style
Connection Shank Size Style 1/4 in.
Drill Bit Outer Diameter 3/16 in.
Total Mechanical Tool Length 6 in.
Maximum Usable Sizing Length 4 in. max hole depth
Working Head Face Material Carbide Tipped Four-Grind Profile Matrix
Kinetic Tool Compatibility Rating Yes (Impact Drivers and Rotary Hammer Drills)
Target Application Substrates Poured Concrete, Cinder Blocks, Brick Mortar, Hard Stone

Pro-Tip: When deploying these slim impact-rated masonry accessories inside dense cured structural aggregate concrete slabs, avoid applying heavy side pressure on the tool body chassis. Let the percussive hammer action cycle lines work at their native frequency to ensure optimal tracking path accuracy and shield the hex shank connection points from excessive torsional shear strain loops.