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The ROBERT BOSCH TOOL GROUP HCBG26T is a BluGranite Turbo carbide hammer drill bit engineered for heavy-duty masonry drilling in professional trade applications. At 1 inch in diameter with a 6-inch overall length and 4-inch flute length, it delivers fast material removal and accurate positioning in brick, block, concrete, and similar masonry substrates. The hex shank measures 0.375 inches in diameter and is impact-rated, allowing the bit to be driven by standard hammer drill/drivers or impact drivers. The four-grind head geometry adds two extra cutting angles compared to standard masonry bits, extending service life and increasing drilling speed. Licensed electricians, plumbers, and general contractors routinely reach for this bit when core-drilling anchor holes or penetrations through masonry walls and concrete slabs.
This bit is sold as a 3-pack and suits residential and light commercial masonry work where repeated drilling cycles demand durability. The milled U-flutes with deep-cut spirals evacuate dust quickly, reducing heat buildup and bit wear during sustained use. The multi-grind carbide centering tip self-starts in brick and masonry without walking, which matters on overhead or angled work where repositioning is difficult. The hex shank interface makes it compatible with both hammer drill/drivers and impact drivers, giving field crews tool flexibility without carrying dedicated rotary hammer accessories.
Designed for use in hex-chuck hammer drill/drivers and impact drivers that accept a 0.375-inch hex shank; suitable for drilling into brick, concrete block, masonry, and similar hard substrates.
Installation of this bit requires a hammer drill/driver or impact driver with a compatible hex-chuck receptacle. Always wear eye protection and appropriate respiratory protection when drilling masonry, as silica-containing dust is a respiratory hazard regulated under OSHA standards. Confirm the work surface is free of embedded conduit, rebar, or other utilities before drilling. Inspect the carbide tip for chipping or wear before each use and retire the bit if the centering tip or cutting edges show significant damage.
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