Punta per trapano diamantata bagnata 6" 1-1/4"-7 filettature per mattoni muratura calcestruzzo duro
6" Wet Diamond Core Drill Bit 1-1/4???. C7 threads For Hard Concrete Masonry Brick. Intended for drilling hard concrete, block, brick, masonry, and the like materials. 6" 152mm Wet Diamond Core Drill Bit for Concrete.