Punta da trapano diamantata bagnata 7" per trapano profondità 13,5" calcestruzzo granito blocco carotaggio
7" 180mm Wet Diamond Core Drill Bit for Concrete. Intended for drilling hard concrete, block, brick, masonry, and the like materials. 1x 7" Wet Diamond Core Drill Bit. Cutting depth：13.5". Bit length: 16.5"(420mm)overall length.