Bosch HC2146 Rotary Hammer Drill Bit Concrete, 10" Clearance Installs ducted 3-1/4" x 10"

Installs ducted 3-1/4" x 10" (vertical and horizontal)

Thanks to the advanced precision induction technology

Pack joint x fip coupling

Work with deck & fence brightener wood cleaner

Sound dBA (pressure/power) 82

Bosch HC2146 Rotary Hammer Drill Bit Concrete, 10" Clearance Installs ducted 3-1/4" x 10"Highlights: 7 8" diameter 8" usable length 10" overall length Solid carbide head tip Drills faster with less carbide wear Flute design runs cooler with fast dust removal Active conical tip provides cleaner, rounder holes Wear mark on bit assures accuracy of hole diameter Diffusion bond for extreme durability in rebar and all concrete types