Punta per trapano 4,5" diamantata bagnata nucleo seghetto blocco calcestruzzo duro punte per mattoni
4.5" Wet Diamond Core Drill Bit Hole Saw Hard Concrete Block Brick Drilling Bits. Intended for drilling hard concrete, block, brick, masonry, and the like materials. 1x 4.5 " Wet Diamond Core Drill Bit.